if_de.c revision 149497
1/* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2/*- 3 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. The name of the author may not be used to endorse or promote products 12 * derived from this software without specific prior written permission 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp 26 */ 27 28/* 29 * DEC 21040 PCI Ethernet Controller 30 * 31 * Written by Matt Thomas 32 * BPF support code stolen directly from if_ec.c 33 * 34 * This driver supports the DEC DE435 or any other PCI 35 * board which support 21040, 21041, or 21140 (mostly). 36 */ 37 38#include <sys/cdefs.h> 39__FBSDID("$FreeBSD: head/sys/dev/de/if_de.c 149497 2005-08-26 14:27:38Z jhb $"); 40 41#define TULIP_HDR_DATA 42 43#include "opt_ddb.h" 44 45#include <sys/param.h> 46#include <sys/systm.h> 47#include <sys/endian.h> 48#include <sys/ktr.h> 49#include <sys/mbuf.h> 50#include <sys/socket.h> 51#include <sys/sockio.h> 52#include <sys/malloc.h> 53#include <sys/kernel.h> 54#include <sys/module.h> 55#include <sys/eventhandler.h> 56#include <machine/bus.h> 57#include <machine/bus_dma.h> 58#include <machine/resource.h> 59#include <sys/bus.h> 60#include <sys/rman.h> 61 62#include <net/if.h> 63#include <net/if_arp.h> 64#include <net/ethernet.h> 65#include <net/if_media.h> 66#include <net/if_types.h> 67#include <net/if_dl.h> 68 69#include <net/bpf.h> 70 71#ifdef INET 72#include <netinet/in.h> 73#include <netinet/if_ether.h> 74#endif 75 76#include <vm/vm.h> 77 78#include <net/if_var.h> 79#include <vm/pmap.h> 80#include <dev/pci/pcivar.h> 81#include <dev/pci/pcireg.h> 82#include <pci/dc21040reg.h> 83 84#ifdef DDB 85#include <ddb/ddb.h> 86#endif 87 88/* 89 * Intel CPUs should use I/O mapped access. 90 */ 91#if defined(__i386__) 92#define TULIP_IOMAPPED 93#endif 94 95#if 0 96/* This enables KTR traces at KTR_DEV. */ 97#define KTR_TULIP KTR_DEV 98#else 99#define KTR_TULIP 0 100#endif 101 102#if 0 103/* 104 * This turns on all sort of debugging stuff and make the 105 * driver much larger. 106 */ 107#define TULIP_DEBUG 108#endif 109 110#if 0 111#define TULIP_PERFSTATS 112#endif 113 114#define TULIP_HZ 10 115 116#include <pci/if_devar.h> 117 118#define SYNC_NONE 0 119#define SYNC_RX 1 120#define SYNC_TX 2 121 122/* 123 * This module supports 124 * the DEC 21040 PCI Ethernet Controller. 125 * the DEC 21041 PCI Ethernet Controller. 126 * the DEC 21140 PCI Fast Ethernet Controller. 127 */ 128static void tulip_addr_filter(tulip_softc_t * const sc); 129static int tulip_ifmedia_change(struct ifnet * const ifp); 130static void tulip_ifmedia_status(struct ifnet * const ifp, 131 struct ifmediareq *req); 132static void tulip_init(void *); 133static void tulip_init_locked(tulip_softc_t * const sc); 134static void tulip_intr_shared(void *arg); 135static void tulip_intr_normal(void *arg); 136static void tulip_mii_autonegotiate(tulip_softc_t * const sc, 137 const unsigned phyaddr); 138static int tulip_mii_map_abilities(tulip_softc_t * const sc, 139 unsigned abilities); 140static tulip_media_t 141 tulip_mii_phy_readspecific(tulip_softc_t * const sc); 142static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, 143 unsigned regno); 144static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, 145 unsigned regno, unsigned data); 146static void tulip_reset(tulip_softc_t * const sc); 147static void tulip_rx_intr(tulip_softc_t * const sc); 148static int tulip_srom_decode(tulip_softc_t * const sc); 149static void tulip_start(struct ifnet *ifp); 150static void tulip_start_locked(tulip_softc_t * const sc); 151static struct mbuf * 152 tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 153static void tulip_txput_setup(tulip_softc_t * const sc); 154struct mbuf * tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di, 155 int sync); 156static void tulip_dma_map_addr(void *, bus_dma_segment_t *, int, int); 157static void tulip_dma_map_rxbuf(void *, bus_dma_segment_t *, int, 158 bus_size_t, int); 159 160static void 161tulip_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 162{ 163 u_int32_t *paddr; 164 165 if (error) 166 return; 167 168 paddr = arg; 169 *paddr = segs->ds_addr; 170} 171 172static void 173tulip_dma_map_rxbuf(void *arg, bus_dma_segment_t *segs, int nseg, 174 bus_size_t mapsize, int error) 175{ 176 tulip_desc_t *desc; 177 178 if (error) 179 return; 180 181 desc = arg; 182 KASSERT(nseg == 1, ("too many DMA segments")); 183 KASSERT(segs[0].ds_len >= TULIP_RX_BUFLEN, ("receive buffer too small")); 184 185 desc->d_addr1 = segs[0].ds_addr; 186 desc->d_length1 = TULIP_RX_BUFLEN; 187#ifdef not_needed 188 /* These should already always be zero. */ 189 desc->d_addr2 = 0; 190 desc->d_length2 = 0; 191#endif 192} 193 194struct mbuf * 195tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di, int sync) 196{ 197 struct mbuf *m; 198 199 m = di->di_mbuf; 200 if (m != NULL) { 201 switch (sync) { 202 case SYNC_NONE: 203 break; 204 case SYNC_RX: 205 TULIP_RXMAP_POSTSYNC(ri, di); 206 break; 207 case SYNC_TX: 208 TULIP_TXMAP_POSTSYNC(ri, di); 209 break; 210 default: 211 panic("bad sync flag: %d", sync); 212 } 213 bus_dmamap_unload(ri->ri_data_tag, *di->di_map); 214 di->di_mbuf = NULL; 215 } 216 return (m); 217} 218 219static void 220tulip_timeout_callback(void *arg) 221{ 222 tulip_softc_t * const sc = arg; 223 224 TULIP_PERFSTART(timeout) 225 TULIP_LOCK_ASSERT(sc); 226 227 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 228 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 229 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 230 231 TULIP_PERFEND(timeout); 232} 233 234static void 235tulip_timeout(tulip_softc_t * const sc) 236{ 237 TULIP_LOCK_ASSERT(sc); 238 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 239 return; 240 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 241 callout_reset(&sc->tulip_callout, (hz + TULIP_HZ / 2) / TULIP_HZ, 242 tulip_timeout_callback, sc); 243} 244 245static int 246tulip_txprobe(tulip_softc_t * const sc) 247{ 248 struct mbuf *m; 249 /* 250 * Before we are sure this is the right media we need 251 * to send a small packet to make sure there's carrier. 252 * Strangely, BNC and AUI will "see" receive data if 253 * either is connected so the transmit is the only way 254 * to verify the connectivity. 255 */ 256 TULIP_LOCK_ASSERT(sc); 257 MGETHDR(m, M_DONTWAIT, MT_DATA); 258 if (m == NULL) 259 return 0; 260 /* 261 * Construct a LLC TEST message which will point to ourselves. 262 */ 263 bcopy(IFP2ENADDR(sc->tulip_ifp), mtod(m, struct ether_header *)->ether_dhost, 6); 264 bcopy(IFP2ENADDR(sc->tulip_ifp), mtod(m, struct ether_header *)->ether_shost, 6); 265 mtod(m, struct ether_header *)->ether_type = htons(3); 266 mtod(m, unsigned char *)[14] = 0; 267 mtod(m, unsigned char *)[15] = 0; 268 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 269 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 270 /* 271 * send it! 272 */ 273 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 274 sc->tulip_intrmask |= TULIP_STS_TXINTR; 275 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 276 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 277 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 278 if ((m = tulip_txput(sc, m)) != NULL) 279 m_freem(m); 280 sc->tulip_probe.probe_txprobes++; 281 return 1; 282} 283 284static void 285tulip_media_set(tulip_softc_t * const sc, tulip_media_t media) 286{ 287 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 288 289 TULIP_LOCK_ASSERT(sc); 290 if (mi == NULL) 291 return; 292 293 /* 294 * If we are switching media, make sure we don't think there's 295 * any stale RX activity 296 */ 297 sc->tulip_flags &= ~TULIP_RXACT; 298 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 299 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 300 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 301 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 302 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general); 303 DELAY(50); 304 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general); 305 } else { 306 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general); 307 } 308 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 309 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 310#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 311 /* 312 * If the cmdmode bits don't match the currently operating mode, 313 * set the cmdmode appropriately and reset the chip. 314 */ 315 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 316 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 317 sc->tulip_cmdmode |= mi->mi_cmdmode; 318 tulip_reset(sc); 319 } 320 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 321 DELAY(10); 322 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 323 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 324 /* 325 * If the cmdmode bits don't match the currently operating mode, 326 * set the cmdmode appropriately and reset the chip. 327 */ 328 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 329 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 330 sc->tulip_cmdmode |= mi->mi_cmdmode; 331 tulip_reset(sc); 332 } 333 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 334 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 335 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 336 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 337 int idx; 338 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 339 const u_int8_t *dp; 340 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 341 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 342 DELAY(10); 343 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 344 } 345 sc->tulip_phyaddr = mi->mi_phyaddr; 346 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 347 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 348 DELAY(10); 349 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 350 } 351 } else { 352 for (idx = 0; idx < mi->mi_reset_length; idx++) { 353 DELAY(10); 354 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 355 } 356 sc->tulip_phyaddr = mi->mi_phyaddr; 357 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 358 DELAY(10); 359 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 360 } 361 } 362 if (sc->tulip_flags & TULIP_TRYNWAY) { 363 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 364 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 365 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 366 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 367 sc->tulip_flags &= ~TULIP_DIDNWAY; 368 if (TULIP_IS_MEDIA_FD(media)) 369 data |= PHYCTL_FULL_DUPLEX; 370 if (TULIP_IS_MEDIA_100MB(media)) 371 data |= PHYCTL_SELECT_100MB; 372 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 373 } 374 } 375} 376 377static void 378tulip_linkup(tulip_softc_t * const sc, tulip_media_t media) 379{ 380 TULIP_LOCK_ASSERT(sc); 381 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 382 sc->tulip_flags |= TULIP_PRINTLINKUP; 383 sc->tulip_flags |= TULIP_LINKUP; 384 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 385#if 0 /* XXX how does with work with ifmedia? */ 386 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 387 if (sc->tulip_ifp->if_flags & IFF_FULLDUPLEX) { 388 if (TULIP_CAN_MEDIA_FD(media) 389 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 390 media = TULIP_FD_MEDIA_OF(media); 391 } else { 392 if (TULIP_IS_MEDIA_FD(media) 393 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 394 media = TULIP_HD_MEDIA_OF(media); 395 } 396 } 397#endif 398 if (sc->tulip_media != media) { 399#ifdef TULIP_DEBUG 400 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 401#endif 402 sc->tulip_media = media; 403 sc->tulip_flags |= TULIP_PRINTMEDIA; 404 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 405 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 406 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 407 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 408 } 409 } 410 /* 411 * We could set probe_timeout to 0 but setting to 3000 puts this 412 * in one central place and the only matters is tulip_link is 413 * followed by a tulip_timeout. Therefore setting it should not 414 * result in aberrant behavour. 415 */ 416 sc->tulip_probe_timeout = 3000; 417 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 418 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 419 if (sc->tulip_flags & TULIP_INRESET) { 420 tulip_media_set(sc, sc->tulip_media); 421 } else if (sc->tulip_probe_media != sc->tulip_media) { 422 /* 423 * No reason to change media if we have the right media. 424 */ 425 tulip_reset(sc); 426 } 427 tulip_init_locked(sc); 428} 429 430static void 431tulip_media_print(tulip_softc_t * const sc) 432{ 433 struct ifnet *ifp = sc->tulip_ifp; 434 435 TULIP_LOCK_ASSERT(sc); 436 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 437 return; 438 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 439 if_printf(ifp, "enabling %s port\n", 440 tulip_mediums[sc->tulip_media]); 441 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 442 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 443 if_printf(ifp, "link up\n"); 444 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 445 } 446} 447 448#if defined(TULIP_DO_GPR_SENSE) 449static tulip_media_t 450tulip_21140_gpr_media_sense(tulip_softc_t * const sc) 451{ 452 struct ifnet *ifp sc->tulip_ifp; 453 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 454 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 455 tulip_media_t media; 456 457 TULIP_LOCK_ASSERT(sc); 458 459 /* 460 * If one of the media blocks contained a default media flag, 461 * use that. 462 */ 463 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 464 const tulip_media_info_t *mi; 465 /* 466 * Media is not supported (or is full-duplex). 467 */ 468 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 469 continue; 470 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 471 continue; 472 473 /* 474 * Remember the media is this is the "default" media. 475 */ 476 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 477 maybe_media = media; 478 479 /* 480 * No activity mask? Can't see if it is active if there's no mask. 481 */ 482 if (mi->mi_actmask == 0) 483 continue; 484 485 /* 486 * Does the activity data match? 487 */ 488 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 489 continue; 490 491#if defined(TULIP_DEBUG) 492 if_printf(ifp, "gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", 493 tulip_mediums[media], 494 TULIP_CSR_READ(sc, csr_gp) & 0xFF, 495 mi->mi_actmask, mi->mi_actdata); 496#endif 497 /* 498 * It does! If this is the first media we detected, then 499 * remember this media. If isn't the first, then there were 500 * multiple matches which we equate to no match (since we don't 501 * which to select (if any). 502 */ 503 if (last_media == TULIP_MEDIA_UNKNOWN) { 504 last_media = media; 505 } else if (last_media != media) { 506 last_media = TULIP_MEDIA_UNKNOWN; 507 } 508 } 509 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 510} 511#endif /* TULIP_DO_GPR_SENSE */ 512 513static tulip_link_status_t 514tulip_media_link_monitor(tulip_softc_t * const sc) 515{ 516 struct ifnet *ifp = sc->tulip_ifp; 517 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 518 tulip_link_status_t linkup = TULIP_LINK_DOWN; 519 520 TULIP_LOCK_ASSERT(sc); 521 if (mi == NULL) { 522#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 523 panic("tulip_media_link_monitor: %s: botch at line %d\n", 524 tulip_mediums[sc->tulip_media],__LINE__); 525#else 526 return TULIP_LINK_UNKNOWN; 527#endif 528 } 529 530 531 /* 532 * Have we seen some packets? If so, the link must be good. 533 */ 534 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 535 sc->tulip_flags &= ~TULIP_RXACT; 536 sc->tulip_probe_timeout = 3000; 537 return TULIP_LINK_UP; 538 } 539 540 sc->tulip_flags &= ~TULIP_RXACT; 541 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 542 u_int32_t status; 543 /* 544 * Read the PHY status register. 545 */ 546 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 547 if (status & PHYSTS_AUTONEG_DONE) { 548 /* 549 * If the PHY has completed autonegotiation, see the if the 550 * remote systems abilities have changed. If so, upgrade or 551 * downgrade as appropriate. 552 */ 553 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 554 abilities = (abilities << 6) & status; 555 if (abilities != sc->tulip_abilities) { 556#if defined(TULIP_DEBUG) 557 loudprintf("%s(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 558 ifp->if_xname, sc->tulip_phyaddr, 559 sc->tulip_abilities, abilities); 560#endif 561 if (tulip_mii_map_abilities(sc, abilities)) { 562 tulip_linkup(sc, sc->tulip_probe_media); 563 return TULIP_LINK_UP; 564 } 565 /* 566 * if we had selected media because of autonegotiation, 567 * we need to probe for the new media. 568 */ 569 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 570 if (sc->tulip_flags & TULIP_DIDNWAY) 571 return TULIP_LINK_DOWN; 572 } 573 } 574 /* 575 * The link is now up. If was down, say its back up. 576 */ 577 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 578 linkup = TULIP_LINK_UP; 579 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 580 /* 581 * No activity sensor? Assume all's well. 582 */ 583 if (mi->mi_actmask == 0) 584 return TULIP_LINK_UNKNOWN; 585 /* 586 * Does the activity data match? 587 */ 588 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 589 linkup = TULIP_LINK_UP; 590 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 591 /* 592 * Assume non TP ok for now. 593 */ 594 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 595 return TULIP_LINK_UNKNOWN; 596 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 597 linkup = TULIP_LINK_UP; 598#if defined(TULIP_DEBUG) 599 if (sc->tulip_probe_timeout <= 0) 600 if_printf(ifp, "sia status = 0x%08x\n", 601 TULIP_CSR_READ(sc, csr_sia_status)); 602#endif 603 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 604 return TULIP_LINK_UNKNOWN; 605 } 606 /* 607 * We will wait for 3 seconds until the link goes into suspect mode. 608 */ 609 if (sc->tulip_flags & TULIP_LINKUP) { 610 if (linkup == TULIP_LINK_UP) 611 sc->tulip_probe_timeout = 3000; 612 if (sc->tulip_probe_timeout > 0) 613 return TULIP_LINK_UP; 614 615 sc->tulip_flags &= ~TULIP_LINKUP; 616 if_printf(ifp, "link down: cable problem?\n"); 617 } 618#if defined(TULIP_DEBUG) 619 sc->tulip_dbg.dbg_link_downed++; 620#endif 621 return TULIP_LINK_DOWN; 622} 623 624static void 625tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 626{ 627 struct ifnet *ifp = sc->tulip_ifp; 628 629 TULIP_LOCK_ASSERT(sc); 630#if defined(TULIP_DEBUG) 631 sc->tulip_dbg.dbg_events[event]++; 632#endif 633 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 634 && event == TULIP_MEDIAPOLL_TIMER) { 635 switch (tulip_media_link_monitor(sc)) { 636 case TULIP_LINK_DOWN: { 637 /* 638 * Link Monitor failed. Probe for new media. 639 */ 640 event = TULIP_MEDIAPOLL_LINKFAIL; 641 break; 642 } 643 case TULIP_LINK_UP: { 644 /* 645 * Check again soon. 646 */ 647 tulip_timeout(sc); 648 return; 649 } 650 case TULIP_LINK_UNKNOWN: { 651 /* 652 * We can't tell so don't bother. 653 */ 654 return; 655 } 656 } 657 } 658 659 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 660 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 661 if (TULIP_DO_AUTOSENSE(sc)) { 662#if defined(TULIP_DEBUG) 663 sc->tulip_dbg.dbg_link_failures++; 664#endif 665 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 666 if (sc->tulip_ifp->if_flags & IFF_UP) 667 tulip_reset(sc); /* restart probe */ 668 } 669 return; 670 } 671#if defined(TULIP_DEBUG) 672 sc->tulip_dbg.dbg_link_pollintrs++; 673#endif 674 } 675 676 if (event == TULIP_MEDIAPOLL_START) { 677 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 678 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 679 return; 680 sc->tulip_probe_mediamask = 0; 681 sc->tulip_probe_passes = 0; 682#if defined(TULIP_DEBUG) 683 sc->tulip_dbg.dbg_media_probes++; 684#endif 685 /* 686 * If the SROM contained an explicit media to use, use it. 687 */ 688 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 689 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 690 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 691 /* 692 * connidx is defaulted to a media_unknown type. 693 */ 694 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 695 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 696 tulip_linkup(sc, sc->tulip_probe_media); 697 tulip_timeout(sc); 698 return; 699 } 700 701 if (sc->tulip_features & TULIP_HAVE_GPR) { 702 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 703 sc->tulip_probe_timeout = 2000; 704 } else { 705 sc->tulip_probe_media = TULIP_MEDIA_MAX; 706 sc->tulip_probe_timeout = 0; 707 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 708 } 709 } 710 711 /* 712 * Ignore txprobe failures or spurious callbacks. 713 */ 714 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 715 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 716 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 717 return; 718 } 719 720 /* 721 * If we really transmitted a packet, then that's the media we'll use. 722 */ 723 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 724 if (event == TULIP_MEDIAPOLL_LINKPASS) { 725 /* XXX Check media status just to be sure */ 726 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 727#if defined(TULIP_DEBUG) 728 } else { 729 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 730#endif 731 } 732 tulip_linkup(sc, sc->tulip_probe_media); 733 tulip_timeout(sc); 734 return; 735 } 736 737 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 738#if defined(TULIP_DO_GPR_SENSE) 739 /* 740 * Check for media via the general purpose register. 741 * 742 * Try to sense the media via the GPR. If the same value 743 * occurs 3 times in a row then just use that. 744 */ 745 if (sc->tulip_probe_timeout > 0) { 746 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 747#if defined(TULIP_DEBUG) 748 if_printf(ifp, "media_poll: gpr sensing = %s\n", 749 tulip_mediums[new_probe_media]); 750#endif 751 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 752 if (new_probe_media == sc->tulip_probe_media) { 753 if (--sc->tulip_probe_count == 0) 754 tulip_linkup(sc, sc->tulip_probe_media); 755 } else { 756 sc->tulip_probe_count = 10; 757 } 758 } 759 sc->tulip_probe_media = new_probe_media; 760 tulip_timeout(sc); 761 return; 762 } 763#endif /* TULIP_DO_GPR_SENSE */ 764 /* 765 * Brute force. We cycle through each of the media types 766 * and try to transmit a packet. 767 */ 768 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 769 sc->tulip_probe_media = TULIP_MEDIA_MAX; 770 sc->tulip_probe_timeout = 0; 771 tulip_timeout(sc); 772 return; 773 } 774 775 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 776 && (sc->tulip_features & TULIP_HAVE_MII)) { 777 tulip_media_t old_media = sc->tulip_probe_media; 778 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 779 switch (sc->tulip_probe_state) { 780 case TULIP_PROBE_FAILED: 781 case TULIP_PROBE_MEDIATEST: { 782 /* 783 * Try the next media. 784 */ 785 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 786 sc->tulip_probe_timeout = 0; 787#ifdef notyet 788 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 789 break; 790 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 791 break; 792 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 793#endif 794 break; 795 } 796 case TULIP_PROBE_PHYAUTONEG: { 797 return; 798 } 799 case TULIP_PROBE_INACTIVE: { 800 /* 801 * Only probe if we autonegotiated a media that hasn't failed. 802 */ 803 sc->tulip_probe_timeout = 0; 804 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 805 sc->tulip_probe_media = old_media; 806 break; 807 } 808 tulip_linkup(sc, sc->tulip_probe_media); 809 tulip_timeout(sc); 810 return; 811 } 812 default: { 813#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 814 panic("tulip_media_poll: botch at line %d\n", __LINE__); 815#endif 816 break; 817 } 818 } 819 } 820 821 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 822#if defined(TULIP_DEBUG) 823 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 824#endif 825 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 826 return; 827 } 828 829 /* 830 * switch to another media if we tried this one enough. 831 */ 832 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 833#if defined(TULIP_DEBUG) 834 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 835 if_printf(ifp, "poll media unknown!\n"); 836 sc->tulip_probe_media = TULIP_MEDIA_MAX; 837 } 838#endif 839 /* 840 * Find the next media type to check for. Full Duplex 841 * types are not allowed. 842 */ 843 do { 844 sc->tulip_probe_media -= 1; 845 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 846 if (++sc->tulip_probe_passes == 3) { 847 if_printf(ifp, "autosense failed: cable problem?\n"); 848 if ((sc->tulip_ifp->if_flags & IFF_UP) == 0) { 849 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 850 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 851 return; 852 } 853 } 854 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 855 sc->tulip_probe_mediamask = 0; 856 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 857 } 858 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 859 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 860 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 861 862#if defined(TULIP_DEBUG) 863 if_printf(ifp, "%s: probing %s\n", 864 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 865 tulip_mediums[sc->tulip_probe_media]); 866#endif 867 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 868 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 869 sc->tulip_probe.probe_txprobes = 0; 870 tulip_reset(sc); 871 tulip_media_set(sc, sc->tulip_probe_media); 872 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 873 } 874 tulip_timeout(sc); 875 876 /* 877 * If this is hanging off a phy, we know are doing NWAY and we have 878 * forced the phy to a specific speed. Wait for link up before 879 * before sending a packet. 880 */ 881 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 882 case TULIP_MEDIAINFO_MII: { 883 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 884 return; 885 break; 886 } 887 case TULIP_MEDIAINFO_SIA: { 888 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 889 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 890 return; 891 tulip_linkup(sc, sc->tulip_probe_media); 892#ifdef notyet 893 if (sc->tulip_features & TULIP_HAVE_MII) 894 tulip_timeout(sc); 895#endif 896 return; 897 } 898 break; 899 } 900 case TULIP_MEDIAINFO_RESET: 901 case TULIP_MEDIAINFO_SYM: 902 case TULIP_MEDIAINFO_NONE: 903 case TULIP_MEDIAINFO_GPR: { 904 break; 905 } 906 } 907 /* 908 * Try to send a packet. 909 */ 910 tulip_txprobe(sc); 911} 912 913static void 914tulip_media_select(tulip_softc_t * const sc) 915{ 916 TULIP_LOCK_ASSERT(sc); 917 if (sc->tulip_features & TULIP_HAVE_GPR) { 918 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 919 DELAY(10); 920 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 921 } 922 /* 923 * If this board has no media, just return 924 */ 925 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 926 return; 927 928 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 929 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 930 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 931 } else { 932 tulip_media_set(sc, sc->tulip_media); 933 } 934} 935 936static void 937tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media) 938{ 939 TULIP_LOCK_ASSERT(sc); 940 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 941 |TULIP_CMD_BACKOFFCTR; 942 sc->tulip_ifp->if_baudrate = 10000000; 943 944 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 945 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 946 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 947 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 948 } 949 950 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 951 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 952 } 953 954 if (media == TULIP_MEDIA_UNKNOWN) { 955 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 956 } 957} 958 959static void 960tulip_21040_media_probe(tulip_softc_t * const sc) 961{ 962 TULIP_LOCK_ASSERT(sc); 963 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 964 return; 965} 966 967static void 968tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc) 969{ 970 TULIP_LOCK_ASSERT(sc); 971 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 972 tulip_media_set(sc, TULIP_MEDIA_10BASET); 973 sc->tulip_media = TULIP_MEDIA_10BASET; 974} 975 976static void 977tulip_21040_10baset_only_media_select(tulip_softc_t * const sc) 978{ 979 TULIP_LOCK_ASSERT(sc); 980 sc->tulip_flags |= TULIP_LINKUP; 981 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 982 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 983 sc->tulip_flags &= ~TULIP_SQETEST; 984 } else { 985 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 986 sc->tulip_flags |= TULIP_SQETEST; 987 } 988 tulip_media_set(sc, sc->tulip_media); 989} 990 991static void 992tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc) 993{ 994 TULIP_LOCK_ASSERT(sc); 995 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 996 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 997 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 998 sc->tulip_media = TULIP_MEDIA_AUIBNC; 999} 1000 1001static void 1002tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc) 1003{ 1004 TULIP_LOCK_ASSERT(sc); 1005 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1006 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1007} 1008 1009static const tulip_boardsw_t tulip_21040_boardsw = { 1010 TULIP_21040_GENERIC, 1011 tulip_21040_media_probe, 1012 tulip_media_select, 1013 tulip_media_poll, 1014}; 1015 1016static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 1017 TULIP_21040_GENERIC, 1018 tulip_21040_10baset_only_media_probe, 1019 tulip_21040_10baset_only_media_select, 1020 NULL, 1021}; 1022 1023static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 1024 TULIP_21040_GENERIC, 1025 tulip_21040_auibnc_only_media_probe, 1026 tulip_21040_auibnc_only_media_select, 1027 NULL, 1028}; 1029 1030static void 1031tulip_21041_mediainfo_init(tulip_softc_t * const sc) 1032{ 1033 tulip_media_info_t * const mi = sc->tulip_mediainfo; 1034 1035 TULIP_LOCK_ASSERT(sc); 1036#ifdef notyet 1037 if (sc->tulip_revinfo >= 0x20) { 1038 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 1039 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 1040 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 1041 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 1042 return; 1043 } 1044#endif 1045 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 1046 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1047 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1048 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1049} 1050 1051static void 1052tulip_21041_media_probe(tulip_softc_t * const sc) 1053{ 1054 TULIP_LOCK_ASSERT(sc); 1055 sc->tulip_ifp->if_baudrate = 10000000; 1056 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1057 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1058 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1059 tulip_21041_mediainfo_init(sc); 1060} 1061 1062static void 1063tulip_21041_media_poll(tulip_softc_t * const sc, 1064 const tulip_mediapoll_event_t event) 1065{ 1066 u_int32_t sia_status; 1067 1068 TULIP_LOCK_ASSERT(sc); 1069#if defined(TULIP_DEBUG) 1070 sc->tulip_dbg.dbg_events[event]++; 1071#endif 1072 1073 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1074 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1075 || !TULIP_DO_AUTOSENSE(sc)) 1076 return; 1077 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1078 tulip_reset(sc); /* start probe */ 1079 return; 1080 } 1081 1082 /* 1083 * If we've been been asked to start a poll or link change interrupt 1084 * restart the probe (and reset the tulip to a known state). 1085 */ 1086 if (event == TULIP_MEDIAPOLL_START) { 1087 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1088 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1089#ifdef notyet 1090 if (sc->tulip_revinfo >= 0x20) { 1091 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1092 sc->tulip_flags |= TULIP_DIDNWAY; 1093 } 1094#endif 1095 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1096 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1097 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1098 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1099 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1100 tulip_timeout(sc); 1101 return; 1102 } 1103 1104 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1105 return; 1106 1107 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1108#if defined(TULIP_DEBUG) 1109 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1110#endif 1111 tulip_linkup(sc, sc->tulip_probe_media); 1112 return; 1113 } 1114 1115 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1116 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1117 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1118 if (sc->tulip_revinfo >= 0x20) { 1119 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1120 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1121 } 1122 /* 1123 * If the link has passed LinkPass, 10baseT is the 1124 * proper media to use. 1125 */ 1126 tulip_linkup(sc, sc->tulip_probe_media); 1127 return; 1128 } 1129 1130 /* 1131 * wait for up to 2.4 seconds for the link to reach pass state. 1132 * Only then start scanning the other media for activity. 1133 * choose media with receive activity over those without. 1134 */ 1135 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1136 if (event != TULIP_MEDIAPOLL_TIMER) 1137 return; 1138 if (sc->tulip_probe_timeout > 0 1139 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1140 tulip_timeout(sc); 1141 return; 1142 } 1143 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1144 sc->tulip_flags |= TULIP_WANTRXACT; 1145 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1146 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1147 } else { 1148 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1149 } 1150 tulip_media_set(sc, sc->tulip_probe_media); 1151 tulip_timeout(sc); 1152 return; 1153 } 1154 1155 /* 1156 * If we failed, clear the txprobe active flag. 1157 */ 1158 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1159 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1160 1161 1162 if (event == TULIP_MEDIAPOLL_TIMER) { 1163 /* 1164 * If we've received something, then that's our link! 1165 */ 1166 if (sc->tulip_flags & TULIP_RXACT) { 1167 tulip_linkup(sc, sc->tulip_probe_media); 1168 return; 1169 } 1170 /* 1171 * if no txprobe active 1172 */ 1173 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1174 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1175 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1176 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1177 tulip_txprobe(sc); 1178 tulip_timeout(sc); 1179 return; 1180 } 1181 /* 1182 * Take 2 passes through before deciding to not 1183 * wait for receive activity. Then take another 1184 * two passes before spitting out a warning. 1185 */ 1186 if (sc->tulip_probe_timeout <= 0) { 1187 if (sc->tulip_flags & TULIP_WANTRXACT) { 1188 sc->tulip_flags &= ~TULIP_WANTRXACT; 1189 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1190 } else { 1191 if_printf(sc->tulip_ifp, 1192 "autosense failed: cable problem?\n"); 1193 if ((sc->tulip_ifp->if_flags & IFF_UP) == 0) { 1194 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 1195 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1196 return; 1197 } 1198 } 1199 } 1200 } 1201 1202 /* 1203 * Since this media failed to probe, try the other one. 1204 */ 1205 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1206 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1207 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1208 } else { 1209 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1210 } 1211 tulip_media_set(sc, sc->tulip_probe_media); 1212 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1213 tulip_timeout(sc); 1214} 1215 1216static const tulip_boardsw_t tulip_21041_boardsw = { 1217 TULIP_21041_GENERIC, 1218 tulip_21041_media_probe, 1219 tulip_media_select, 1220 tulip_21041_media_poll 1221}; 1222 1223static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1224 { 0x20005c00, 0, /* 08-00-17 */ 1225 { 1226 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1227 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1228 }, 1229#if defined(TULIP_DEBUG) 1230 "NS DP83840", 1231#endif 1232 }, 1233 { 0x0281F400, 0, /* 00-A0-7D */ 1234 { 1235 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1236 { }, /* 100TX */ 1237 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1238 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1239 }, 1240#if defined(TULIP_DEBUG) 1241 "Seeq 80C240" 1242#endif 1243 }, 1244#if 0 1245 { 0x0015F420, 0, /* 00-A0-7D */ 1246 { 1247 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1248 { }, /* 100TX */ 1249 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1250 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1251 }, 1252#if defined(TULIP_DEBUG) 1253 "Broadcom BCM5000" 1254#endif 1255 }, 1256#endif 1257 { 0x0281F400, 0, /* 00-A0-BE */ 1258 { 1259 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1260 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1261 { }, /* 100T4 */ 1262 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1263 }, 1264#if defined(TULIP_DEBUG) 1265 "ICS 1890" 1266#endif 1267 }, 1268 { 0 } 1269}; 1270 1271static tulip_media_t 1272tulip_mii_phy_readspecific(tulip_softc_t * const sc) 1273{ 1274 const tulip_phy_attr_t *attr; 1275 u_int16_t data; 1276 u_int32_t id; 1277 unsigned idx = 0; 1278 static const tulip_media_t table[] = { 1279 TULIP_MEDIA_UNKNOWN, 1280 TULIP_MEDIA_10BASET, 1281 TULIP_MEDIA_100BASETX, 1282 TULIP_MEDIA_100BASET4, 1283 TULIP_MEDIA_UNKNOWN, 1284 TULIP_MEDIA_10BASET_FD, 1285 TULIP_MEDIA_100BASETX_FD, 1286 TULIP_MEDIA_UNKNOWN 1287 }; 1288 1289 TULIP_LOCK_ASSERT(sc); 1290 1291 /* 1292 * Don't read phy specific registers if link is not up. 1293 */ 1294 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1295 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1296 return TULIP_MEDIA_UNKNOWN; 1297 1298 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1299 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1300 for (attr = tulip_mii_phy_attrlist;; attr++) { 1301 if (attr->attr_id == 0) 1302 return TULIP_MEDIA_UNKNOWN; 1303 if ((id & ~0x0F) == attr->attr_id) 1304 break; 1305 } 1306 1307 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1308 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1309 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1310 if ((data & pm->pm_mask) == pm->pm_value) 1311 idx = 2; 1312 } 1313 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1314 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1315 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1316 if ((data & pm->pm_mask) == pm->pm_value) 1317 idx = 3; 1318 } 1319 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1320 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1321 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1322 if ((data & pm->pm_mask) == pm->pm_value) 1323 idx = 1; 1324 } 1325 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1326 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1327 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1328 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1329 } 1330 return table[idx]; 1331} 1332 1333static unsigned 1334tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset) 1335{ 1336 unsigned phyaddr; 1337 1338 TULIP_LOCK_ASSERT(sc); 1339 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1340 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1341 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1342 continue; 1343 if (offset == 0) 1344 return phyaddr; 1345 offset--; 1346 } 1347 if (offset == 0) { 1348 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1349 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1350 return TULIP_MII_NOPHY; 1351 return 0; 1352 } 1353 return TULIP_MII_NOPHY; 1354} 1355 1356static int 1357tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities) 1358{ 1359 TULIP_LOCK_ASSERT(sc); 1360 sc->tulip_abilities = abilities; 1361 if (abilities & PHYSTS_100BASETX_FD) { 1362 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1363 } else if (abilities & PHYSTS_100BASET4) { 1364 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1365 } else if (abilities & PHYSTS_100BASETX) { 1366 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1367 } else if (abilities & PHYSTS_10BASET_FD) { 1368 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1369 } else if (abilities & PHYSTS_10BASET) { 1370 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1371 } else { 1372 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1373 return 0; 1374 } 1375 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1376 return 1; 1377} 1378 1379static void 1380tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr) 1381{ 1382 struct ifnet *ifp = sc->tulip_ifp; 1383 1384 TULIP_LOCK_ASSERT(sc); 1385 switch (sc->tulip_probe_state) { 1386 case TULIP_PROBE_MEDIATEST: 1387 case TULIP_PROBE_INACTIVE: { 1388 sc->tulip_flags |= TULIP_DIDNWAY; 1389 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1390 sc->tulip_probe_timeout = 3000; 1391 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1392 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1393 } 1394 /* FALLTHROUGH */ 1395 case TULIP_PROBE_PHYRESET: { 1396 u_int32_t status; 1397 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1398 if (data & PHYCTL_RESET) { 1399 if (sc->tulip_probe_timeout > 0) { 1400 tulip_timeout(sc); 1401 return; 1402 } 1403 printf("%s(phy%d): error: reset of PHY never completed!\n", 1404 ifp->if_xname, phyaddr); 1405 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1406 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1407 sc->tulip_ifp->if_flags &= ~IFF_UP; 1408 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 1409 return; 1410 } 1411 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1412 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1413#if defined(TULIP_DEBUG) 1414 loudprintf("%s(phy%d): autonegotiation disabled\n", 1415 ifp->if_xname, phyaddr); 1416#endif 1417 sc->tulip_flags &= ~TULIP_DIDNWAY; 1418 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1419 return; 1420 } 1421 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1422 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1423 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1424 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1425#if defined(TULIP_DEBUG) 1426 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1427 loudprintf("%s(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1428 ifp->if_xname, phyaddr, data); 1429 else 1430 loudprintf("%s(phy%d): autonegotiation restarted: 0x%04x\n", 1431 ifp->if_xname, phyaddr, data); 1432 sc->tulip_dbg.dbg_nway_starts++; 1433#endif 1434 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1435 sc->tulip_probe_timeout = 3000; 1436 } 1437 /* FALLTHROUGH */ 1438 case TULIP_PROBE_PHYAUTONEG: { 1439 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1440 u_int32_t data; 1441 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1442 if (sc->tulip_probe_timeout > 0) { 1443 tulip_timeout(sc); 1444 return; 1445 } 1446#if defined(TULIP_DEBUG) 1447 loudprintf("%s(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1448 ifp->if_xname, phyaddr, status, 1449 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1450#endif 1451 sc->tulip_flags &= ~TULIP_DIDNWAY; 1452 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1453 return; 1454 } 1455 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1456#if defined(TULIP_DEBUG) 1457 loudprintf("%s(phy%d): autonegotiation complete: 0x%04x\n", 1458 ifp->if_xname, phyaddr, data); 1459#endif 1460 data = (data << 6) & status; 1461 if (!tulip_mii_map_abilities(sc, data)) 1462 sc->tulip_flags &= ~TULIP_DIDNWAY; 1463 return; 1464 } 1465 default: { 1466#if defined(DIAGNOSTIC) 1467 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1468#endif 1469 break; 1470 } 1471 } 1472#if defined(TULIP_DEBUG) 1473 loudprintf("%s(phy%d): autonegotiation failure: state = %d\n", 1474 ifp->if_xname, phyaddr, sc->tulip_probe_state); 1475 sc->tulip_dbg.dbg_nway_failures++; 1476#endif 1477} 1478 1479static void 1480tulip_2114x_media_preset(tulip_softc_t * const sc) 1481{ 1482 const tulip_media_info_t *mi = NULL; 1483 tulip_media_t media = sc->tulip_media; 1484 1485 TULIP_LOCK_ASSERT(sc); 1486 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1487 media = sc->tulip_media; 1488 else 1489 media = sc->tulip_probe_media; 1490 1491 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1492 sc->tulip_flags &= ~TULIP_SQETEST; 1493 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1494#if defined(TULIP_DEBUG) 1495 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1496#endif 1497 mi = sc->tulip_mediums[media]; 1498 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1499 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1500 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1501 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1502 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1503 sc->tulip_cmdmode |= mi->mi_cmdmode; 1504 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1505 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1506 } 1507#if defined(TULIP_DEBUG) 1508 } else { 1509 if_printf(sc->tulip_ifp, "preset: bad media %d!\n", media); 1510 } 1511#endif 1512 } 1513 switch (media) { 1514 case TULIP_MEDIA_BNC: 1515 case TULIP_MEDIA_AUI: 1516 case TULIP_MEDIA_10BASET: { 1517 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1518 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1519 sc->tulip_ifp->if_baudrate = 10000000; 1520 sc->tulip_flags |= TULIP_SQETEST; 1521 break; 1522 } 1523 case TULIP_MEDIA_10BASET_FD: { 1524 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1525 sc->tulip_ifp->if_baudrate = 10000000; 1526 break; 1527 } 1528 case TULIP_MEDIA_100BASEFX: 1529 case TULIP_MEDIA_100BASET4: 1530 case TULIP_MEDIA_100BASETX: { 1531 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1532 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1533 sc->tulip_ifp->if_baudrate = 100000000; 1534 break; 1535 } 1536 case TULIP_MEDIA_100BASEFX_FD: 1537 case TULIP_MEDIA_100BASETX_FD: { 1538 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1539 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1540 sc->tulip_ifp->if_baudrate = 100000000; 1541 break; 1542 } 1543 default: { 1544 break; 1545 } 1546 } 1547 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1548} 1549 1550/* 1551 ******************************************************************** 1552 * Start of 21140/21140A support which does not use the MII interface 1553 */ 1554 1555static void 1556tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 1557{ 1558#if defined(TULIP_DEBUG) 1559 sc->tulip_dbg.dbg_events[event]++; 1560#endif 1561#if defined(DIAGNOSTIC) 1562 if_printf(sc->tulip_ifp, "botch(media_poll) at line %d\n", __LINE__); 1563#endif 1564} 1565 1566__inline static void 1567tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip, 1568 tulip_media_t const media, unsigned gpdata, unsigned cmdmode) 1569{ 1570 TULIP_LOCK_ASSERT(sc); 1571 sc->tulip_mediums[media] = mip; 1572 mip->mi_type = TULIP_MEDIAINFO_GPR; 1573 mip->mi_cmdmode = cmdmode; 1574 mip->mi_gpdata = gpdata; 1575} 1576 1577static void 1578tulip_21140_evalboard_media_probe(tulip_softc_t * const sc) 1579{ 1580 tulip_media_info_t *mip = sc->tulip_mediainfo; 1581 1582 TULIP_LOCK_ASSERT(sc); 1583 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1584 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1585 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1586 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1587 TULIP_CSR_WRITE(sc, csr_command, 1588 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1589 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1590 TULIP_CSR_WRITE(sc, csr_command, 1591 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1592 DELAY(1000000); 1593 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1594 sc->tulip_media = TULIP_MEDIA_10BASET; 1595 } else { 1596 sc->tulip_media = TULIP_MEDIA_100BASETX; 1597 } 1598 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1599 TULIP_GP_EB_INIT, 1600 TULIP_CMD_TXTHRSHLDCTL); 1601 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1602 TULIP_GP_EB_INIT, 1603 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1604 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1605 TULIP_GP_EB_INIT, 1606 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1607 |TULIP_CMD_SCRAMBLER); 1608 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1609 TULIP_GP_EB_INIT, 1610 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1611 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1612} 1613 1614static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1615 TULIP_21140_DEC_EB, 1616 tulip_21140_evalboard_media_probe, 1617 tulip_media_select, 1618 tulip_null_media_poll, 1619 tulip_2114x_media_preset, 1620}; 1621 1622static void 1623tulip_21140_accton_media_probe(tulip_softc_t * const sc) 1624{ 1625 tulip_media_info_t *mip = sc->tulip_mediainfo; 1626 unsigned gpdata; 1627 1628 TULIP_LOCK_ASSERT(sc); 1629 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1630 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1631 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1632 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1633 TULIP_CSR_WRITE(sc, csr_command, 1634 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1635 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1636 TULIP_CSR_WRITE(sc, csr_command, 1637 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1638 DELAY(1000000); 1639 gpdata = TULIP_CSR_READ(sc, csr_gp); 1640 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1641 sc->tulip_media = TULIP_MEDIA_10BASET; 1642 } else { 1643 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1644 sc->tulip_media = TULIP_MEDIA_BNC; 1645 } else { 1646 sc->tulip_media = TULIP_MEDIA_100BASETX; 1647 } 1648 } 1649 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1650 TULIP_GP_EN1207_BNC_INIT, 1651 TULIP_CMD_TXTHRSHLDCTL); 1652 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1653 TULIP_GP_EN1207_UTP_INIT, 1654 TULIP_CMD_TXTHRSHLDCTL); 1655 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1656 TULIP_GP_EN1207_UTP_INIT, 1657 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1658 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1659 TULIP_GP_EN1207_100_INIT, 1660 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1661 |TULIP_CMD_SCRAMBLER); 1662 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1663 TULIP_GP_EN1207_100_INIT, 1664 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1665 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1666} 1667 1668static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1669 TULIP_21140_EN1207, 1670 tulip_21140_accton_media_probe, 1671 tulip_media_select, 1672 tulip_null_media_poll, 1673 tulip_2114x_media_preset, 1674}; 1675 1676static void 1677tulip_21140_smc9332_media_probe(tulip_softc_t * const sc) 1678{ 1679 tulip_media_info_t *mip = sc->tulip_mediainfo; 1680 int idx, cnt = 0; 1681 1682 TULIP_LOCK_ASSERT(sc); 1683 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1684 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1685 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1686 33MHz that comes to two microseconds but wait a 1687 bit longer anyways) */ 1688 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1689 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1690 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1691 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1692 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1693 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1694 DELAY(200000); 1695 for (idx = 1000; idx > 0; idx--) { 1696 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1697 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1698 if (++cnt > 100) 1699 break; 1700 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1701 break; 1702 } else { 1703 cnt = 0; 1704 } 1705 DELAY(1000); 1706 } 1707 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1708 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1709 TULIP_GP_SMC_9332_INIT, 1710 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1711 |TULIP_CMD_SCRAMBLER); 1712 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1713 TULIP_GP_SMC_9332_INIT, 1714 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1715 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1716 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1717 TULIP_GP_SMC_9332_INIT, 1718 TULIP_CMD_TXTHRSHLDCTL); 1719 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1720 TULIP_GP_SMC_9332_INIT, 1721 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1722} 1723 1724static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1725 TULIP_21140_SMC_9332, 1726 tulip_21140_smc9332_media_probe, 1727 tulip_media_select, 1728 tulip_null_media_poll, 1729 tulip_2114x_media_preset, 1730}; 1731 1732static void 1733tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc) 1734{ 1735 tulip_media_info_t *mip = sc->tulip_mediainfo; 1736 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1737 1738 TULIP_LOCK_ASSERT(sc); 1739 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1740 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1741 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1742 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1743 1744 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1745 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1746 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1747 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1748 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1749 1750 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1751 TULIP_GP_EM100_INIT, 1752 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1753 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1754 TULIP_GP_EM100_INIT, 1755 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1756 |TULIP_CMD_FULLDUPLEX); 1757 } else { 1758 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1759 sc->tulip_media = TULIP_MEDIA_100BASETX; 1760 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1761 TULIP_GP_EM100_INIT, 1762 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1763 |TULIP_CMD_SCRAMBLER); 1764 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1765 TULIP_GP_EM100_INIT, 1766 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1767 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1768 } 1769} 1770 1771static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1772 TULIP_21140_COGENT_EM100, 1773 tulip_21140_cogent_em100_media_probe, 1774 tulip_media_select, 1775 tulip_null_media_poll, 1776 tulip_2114x_media_preset 1777}; 1778 1779static void 1780tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc) 1781{ 1782 tulip_media_info_t *mip = sc->tulip_mediainfo; 1783 int cnt10 = 0, cnt100 = 0, idx; 1784 1785 TULIP_LOCK_ASSERT(sc); 1786 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1787 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1788 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1789 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1790 TULIP_CSR_WRITE(sc, csr_command, 1791 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1792 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1793 TULIP_CSR_WRITE(sc, csr_command, 1794 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1795 1796 DELAY(200000); 1797 for (idx = 1000; idx > 0; idx--) { 1798 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1799 if ((csr & (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) == (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) { 1800 if (++cnt100 > 100) 1801 break; 1802 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1803 if (++cnt10 > 100) 1804 break; 1805 } else { 1806 cnt10 = 0; 1807 cnt100 = 0; 1808 } 1809 DELAY(1000); 1810 } 1811 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1812 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1813 TULIP_GP_ZX34X_INIT, 1814 TULIP_CMD_TXTHRSHLDCTL); 1815 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1816 TULIP_GP_ZX34X_INIT, 1817 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1818 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1819 TULIP_GP_ZX34X_INIT, 1820 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1821 |TULIP_CMD_SCRAMBLER); 1822 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1823 TULIP_GP_ZX34X_INIT, 1824 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1825 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1826} 1827 1828static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1829 TULIP_21140_ZNYX_ZX34X, 1830 tulip_21140_znyx_zx34x_media_probe, 1831 tulip_media_select, 1832 tulip_null_media_poll, 1833 tulip_2114x_media_preset, 1834}; 1835 1836static void 1837tulip_2114x_media_probe(tulip_softc_t * const sc) 1838{ 1839 TULIP_LOCK_ASSERT(sc); 1840 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1841 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1842} 1843 1844static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1845 TULIP_21140_ISV, 1846 tulip_2114x_media_probe, 1847 tulip_media_select, 1848 tulip_media_poll, 1849 tulip_2114x_media_preset, 1850}; 1851 1852/* 1853 * ******** END of chip-specific handlers. *********** 1854 */ 1855 1856/* 1857 * Code the read the SROM and MII bit streams (I2C) 1858 */ 1859#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1860 1861static void 1862tulip_srom_idle(tulip_softc_t * const sc) 1863{ 1864 unsigned bit, csr; 1865 1866 csr = SROMSEL ; EMIT; 1867 csr = SROMSEL | SROMRD; EMIT; 1868 csr ^= SROMCS; EMIT; 1869 csr ^= SROMCLKON; EMIT; 1870 1871 /* 1872 * Write 25 cycles of 0 which will force the SROM to be idle. 1873 */ 1874 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1875 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1876 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1877 } 1878 csr ^= SROMCLKOFF; EMIT; 1879 csr ^= SROMCS; EMIT; 1880 csr = 0; EMIT; 1881} 1882 1883static void 1884tulip_srom_read(tulip_softc_t * const sc) 1885{ 1886 unsigned idx; 1887 const unsigned bitwidth = SROM_BITWIDTH; 1888 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1889 const unsigned msb = 1 << (bitwidth + 3 - 1); 1890 unsigned lastidx = (1 << bitwidth) - 1; 1891 1892 tulip_srom_idle(sc); 1893 1894 for (idx = 0; idx <= lastidx; idx++) { 1895 unsigned lastbit, data, bits, bit, csr; 1896 csr = SROMSEL ; EMIT; 1897 csr = SROMSEL | SROMRD; EMIT; 1898 csr ^= SROMCSON; EMIT; 1899 csr ^= SROMCLKON; EMIT; 1900 1901 lastbit = 0; 1902 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1903 const unsigned thisbit = bits & msb; 1904 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1905 if (thisbit != lastbit) { 1906 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1907 } else { 1908 EMIT; 1909 } 1910 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1911 lastbit = thisbit; 1912 } 1913 csr ^= SROMCLKOFF; EMIT; 1914 1915 for (data = 0, bits = 0; bits < 16; bits++) { 1916 data <<= 1; 1917 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1918 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1919 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1920 } 1921 sc->tulip_rombuf[idx*2] = data & 0xFF; 1922 sc->tulip_rombuf[idx*2+1] = data >> 8; 1923 csr = SROMSEL | SROMRD; EMIT; 1924 csr = 0; EMIT; 1925 } 1926 tulip_srom_idle(sc); 1927} 1928 1929#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1930 1931static void 1932tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits) 1933{ 1934 unsigned msb = 1 << (bits - 1); 1935 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1936 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1937 1938 TULIP_LOCK_ASSERT(sc); 1939 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1940 1941 for (; bits > 0; bits--, data <<= 1) { 1942 const unsigned thisbit = data & msb; 1943 if (thisbit != lastbit) { 1944 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1945 } 1946 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1947 lastbit = thisbit; 1948 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1949 } 1950} 1951 1952static void 1953tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd) 1954{ 1955 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1956 1957 TULIP_LOCK_ASSERT(sc); 1958 if (cmd == MII_WRCMD) { 1959 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1960 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1961 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1962 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1963 } else { 1964 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1965 } 1966 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1967 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1968} 1969 1970static unsigned 1971tulip_mii_readbits(tulip_softc_t * const sc) 1972{ 1973 unsigned data; 1974 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1975 int idx; 1976 1977 TULIP_LOCK_ASSERT(sc); 1978 for (idx = 0, data = 0; idx < 16; idx++) { 1979 data <<= 1; /* this is NOOP on the first pass through */ 1980 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1981 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1982 data |= 1; 1983 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1984 } 1985 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1986 1987 return data; 1988} 1989 1990static unsigned 1991tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno) 1992{ 1993 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1994 unsigned data; 1995 1996 TULIP_LOCK_ASSERT(sc); 1997 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1998 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1999 tulip_mii_writebits(sc, MII_RDCMD, 8); 2000 tulip_mii_writebits(sc, devaddr, 5); 2001 tulip_mii_writebits(sc, regno, 5); 2002 tulip_mii_turnaround(sc, MII_RDCMD); 2003 2004 data = tulip_mii_readbits(sc); 2005#if defined(TULIP_DEBUG) 2006 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 2007 sc->tulip_dbg.dbg_phyregs[regno][1]++; 2008#endif 2009 return data; 2010} 2011 2012static void 2013tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, 2014 unsigned data) 2015{ 2016 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2017 2018 TULIP_LOCK_ASSERT(sc); 2019 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2020 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2021 tulip_mii_writebits(sc, MII_WRCMD, 8); 2022 tulip_mii_writebits(sc, devaddr, 5); 2023 tulip_mii_writebits(sc, regno, 5); 2024 tulip_mii_turnaround(sc, MII_WRCMD); 2025 tulip_mii_writebits(sc, data, 16); 2026#if defined(TULIP_DEBUG) 2027 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 2028 sc->tulip_dbg.dbg_phyregs[regno][3]++; 2029#endif 2030} 2031 2032#define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 2033#define tulip_srom_crcok(databuf) ( \ 2034 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2035 ((databuf)[126] | ((databuf)[127] << 8))) 2036 2037static void 2038tulip_identify_dec_nic(tulip_softc_t * const sc) 2039{ 2040 TULIP_LOCK_ASSERT(sc); 2041 strcpy(sc->tulip_boardid, "DEC "); 2042#define D0 4 2043 if (sc->tulip_chipid <= TULIP_21040) 2044 return; 2045 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2046 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2047 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2048 sc->tulip_boardid[D0+8] = ' '; 2049 } 2050#undef D0 2051} 2052 2053static void 2054tulip_identify_znyx_nic(tulip_softc_t * const sc) 2055{ 2056 unsigned id = 0; 2057 2058 TULIP_LOCK_ASSERT(sc); 2059 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2060 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2061 unsigned znyx_ptr; 2062 sc->tulip_boardid[8] = '4'; 2063 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2064 if (znyx_ptr < 26 || znyx_ptr > 116) { 2065 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2066 return; 2067 } 2068 /* ZX344 = 0010 .. 0013FF 2069 */ 2070 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2071 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2072 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2073 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2074 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2075 sc->tulip_boardid[9] = '2'; 2076 if (id == TULIP_ZNYX_ID_ZX342B) { 2077 sc->tulip_boardid[10] = 'B'; 2078 sc->tulip_boardid[11] = ' '; 2079 } 2080 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2081 } else if (id == TULIP_ZNYX_ID_ZX344) { 2082 sc->tulip_boardid[10] = '4'; 2083 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2084 } else if (id == TULIP_ZNYX_ID_ZX345) { 2085 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2086 } else if (id == TULIP_ZNYX_ID_ZX346) { 2087 sc->tulip_boardid[9] = '6'; 2088 } else if (id == TULIP_ZNYX_ID_ZX351) { 2089 sc->tulip_boardid[8] = '5'; 2090 sc->tulip_boardid[9] = '1'; 2091 } 2092 } 2093 if (id == 0) { 2094 /* 2095 * Assume it's a ZX342... 2096 */ 2097 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2098 } 2099 return; 2100 } 2101 sc->tulip_boardid[8] = '1'; 2102 if (sc->tulip_chipid == TULIP_21041) { 2103 sc->tulip_boardid[10] = '1'; 2104 return; 2105 } 2106 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2107 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2108 if (id == TULIP_ZNYX_ID_ZX312T) { 2109 sc->tulip_boardid[9] = '2'; 2110 sc->tulip_boardid[10] = 'T'; 2111 sc->tulip_boardid[11] = ' '; 2112 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2113 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2114 sc->tulip_boardid[9] = '4'; 2115 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2116 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2117 } else if (id == TULIP_ZNYX_ID_ZX314) { 2118 sc->tulip_boardid[9] = '4'; 2119 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2120 sc->tulip_features |= TULIP_HAVE_BASEROM; 2121 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2122 sc->tulip_boardid[9] = '5'; 2123 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2124 } else if (id == TULIP_ZNYX_ID_ZX315) { 2125 sc->tulip_boardid[9] = '5'; 2126 sc->tulip_features |= TULIP_HAVE_BASEROM; 2127 } else { 2128 id = 0; 2129 } 2130 } 2131 if (id == 0) { 2132 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2133 sc->tulip_boardid[9] = '4'; 2134 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2135 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2136 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2137 sc->tulip_boardid[9] = '5'; 2138 sc->tulip_boardsw = &tulip_21040_boardsw; 2139 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2140 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2141 sc->tulip_boardid[9] = '2'; 2142 sc->tulip_boardsw = &tulip_21040_boardsw; 2143 } 2144 } 2145} 2146 2147static void 2148tulip_identify_smc_nic(tulip_softc_t * const sc) 2149{ 2150 u_int32_t id1, id2, ei; 2151 int auibnc = 0, utp = 0; 2152 char *cp; 2153 2154 TULIP_LOCK_ASSERT(sc); 2155 strcpy(sc->tulip_boardid, "SMC "); 2156 if (sc->tulip_chipid == TULIP_21041) 2157 return; 2158 if (sc->tulip_chipid != TULIP_21040) { 2159 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2160 strcpy(&sc->tulip_boardid[4], "9332DST "); 2161 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2162 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2163 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2164 } else { 2165 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2166 } 2167 return; 2168 } 2169 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2170 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2171 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2172 2173 strcpy(&sc->tulip_boardid[4], "8432"); 2174 cp = &sc->tulip_boardid[8]; 2175 if ((id1 & 1) == 0) 2176 *cp++ = 'B', auibnc = 1; 2177 if ((id1 & 0xFF) > 0x32) 2178 *cp++ = 'T', utp = 1; 2179 if ((id1 & 0x4000) == 0) 2180 *cp++ = 'A', auibnc = 1; 2181 if (id2 == 0x15) { 2182 sc->tulip_boardid[7] = '4'; 2183 *cp++ = '-'; 2184 *cp++ = 'C'; 2185 *cp++ = 'H'; 2186 *cp++ = (ei ? '2' : '1'); 2187 } 2188 *cp++ = ' '; 2189 *cp = '\0'; 2190 if (utp && !auibnc) 2191 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2192 else if (!utp && auibnc) 2193 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2194} 2195 2196static void 2197tulip_identify_cogent_nic(tulip_softc_t * const sc) 2198{ 2199 TULIP_LOCK_ASSERT(sc); 2200 strcpy(sc->tulip_boardid, "Cogent "); 2201 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2202 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2203 strcat(sc->tulip_boardid, "EM100TX "); 2204 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2205#if defined(TULIP_COGENT_EM110TX_ID) 2206 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2207 strcat(sc->tulip_boardid, "EM110TX "); 2208 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2209#endif 2210 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2211 strcat(sc->tulip_boardid, "EM100FX "); 2212 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2213 } 2214 /* 2215 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2216 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2217 */ 2218 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2219 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2220 /* 2221 * Cogent (Adaptec) is still mapping all INTs to INTA of 2222 * first 21140. Dumb! Dumb! 2223 */ 2224 strcat(sc->tulip_boardid, "EM440TX "); 2225 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2226 } 2227 } else if (sc->tulip_chipid == TULIP_21040) { 2228 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2229 } 2230} 2231 2232static void 2233tulip_identify_accton_nic(tulip_softc_t * const sc) 2234{ 2235 TULIP_LOCK_ASSERT(sc); 2236 strcpy(sc->tulip_boardid, "ACCTON "); 2237 switch (sc->tulip_chipid) { 2238 case TULIP_21140A: 2239 strcat(sc->tulip_boardid, "EN1207 "); 2240 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2241 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2242 break; 2243 case TULIP_21140: 2244 strcat(sc->tulip_boardid, "EN1207TX "); 2245 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2246 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2247 break; 2248 case TULIP_21040: 2249 strcat(sc->tulip_boardid, "EN1203 "); 2250 sc->tulip_boardsw = &tulip_21040_boardsw; 2251 break; 2252 case TULIP_21041: 2253 strcat(sc->tulip_boardid, "EN1203 "); 2254 sc->tulip_boardsw = &tulip_21041_boardsw; 2255 break; 2256 default: 2257 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2258 break; 2259 } 2260} 2261 2262static void 2263tulip_identify_asante_nic(tulip_softc_t * const sc) 2264{ 2265 TULIP_LOCK_ASSERT(sc); 2266 strcpy(sc->tulip_boardid, "Asante "); 2267 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2268 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2269 tulip_media_info_t *mi = sc->tulip_mediainfo; 2270 int idx; 2271 /* 2272 * The Asante Fast Ethernet doesn't always ship with a valid 2273 * new format SROM. So if isn't in the new format, we cheat 2274 * set it up as if we had. 2275 */ 2276 2277 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2278 sc->tulip_gpdata = 0; 2279 2280 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2281 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2282 DELAY(100); 2283 TULIP_CSR_WRITE(sc, csr_gp, 0); 2284 2285 mi->mi_type = TULIP_MEDIAINFO_MII; 2286 mi->mi_gpr_length = 0; 2287 mi->mi_gpr_offset = 0; 2288 mi->mi_reset_length = 0; 2289 mi->mi_reset_offset = 0;; 2290 2291 mi->mi_phyaddr = TULIP_MII_NOPHY; 2292 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2293 DELAY(10000); 2294 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2295 } 2296 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2297 if_printf(sc->tulip_ifp, "can't find phy 0\n"); 2298 return; 2299 } 2300 2301 sc->tulip_features |= TULIP_HAVE_MII; 2302 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2303 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2304 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2305 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2306 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2307 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2308 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2309 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2310 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2311 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2312 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2313 2314 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2315 } 2316} 2317 2318static void 2319tulip_identify_compex_nic(tulip_softc_t * const sc) 2320{ 2321 TULIP_LOCK_ASSERT(sc); 2322 strcpy(sc->tulip_boardid, "COMPEX "); 2323 if (sc->tulip_chipid == TULIP_21140A) { 2324 int root_unit; 2325 tulip_softc_t *root_sc = NULL; 2326 2327 strcat(sc->tulip_boardid, "400TX/PCI "); 2328 /* 2329 * All 4 chips on these boards share an interrupt. This code 2330 * copied from tulip_read_macaddr. 2331 */ 2332 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2333 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2334 root_sc = tulips[root_unit]; 2335 if (root_sc == NULL 2336 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2337 break; 2338 root_sc = NULL; 2339 } 2340 if (root_sc != NULL 2341 && root_sc->tulip_chipid == sc->tulip_chipid 2342 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2343 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2344 sc->tulip_slaves = root_sc->tulip_slaves; 2345 root_sc->tulip_slaves = sc; 2346 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2347 printf("\nCannot find master device for %s interrupts", 2348 sc->tulip_ifp->if_xname); 2349 } 2350 } else { 2351 strcat(sc->tulip_boardid, "unknown "); 2352 } 2353 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2354 return; 2355} 2356 2357static int 2358tulip_srom_decode(tulip_softc_t * const sc) 2359{ 2360 unsigned idx1, idx2, idx3; 2361 2362 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2363 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2364 tulip_srom_media_t srom_media; 2365 tulip_media_info_t *mi = sc->tulip_mediainfo; 2366 const u_int8_t *dp; 2367 u_int32_t leaf_offset, blocks, data; 2368 2369 TULIP_LOCK_ASSERT(sc); 2370 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2371 if (shp->sh_adapter_count == 1) 2372 break; 2373 if (saip->sai_device == sc->tulip_pci_devno) 2374 break; 2375 } 2376 /* 2377 * Didn't find the right media block for this card. 2378 */ 2379 if (idx1 == shp->sh_adapter_count) 2380 return 0; 2381 2382 /* 2383 * Save the hardware address. 2384 */ 2385 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2386 /* 2387 * If this is a multiple port card, add the adapter index to the last 2388 * byte of the hardware address. (if it isn't multiport, adding 0 2389 * won't hurt. 2390 */ 2391 sc->tulip_enaddr[5] += idx1; 2392 2393 leaf_offset = saip->sai_leaf_offset_lowbyte 2394 + saip->sai_leaf_offset_highbyte * 256; 2395 dp = sc->tulip_rombuf + leaf_offset; 2396 2397 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2398 2399 for (idx2 = 0;; idx2++) { 2400 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2401 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2402 break; 2403 } 2404 sc->tulip_connidx = idx2; 2405 2406 if (sc->tulip_chipid == TULIP_21041) { 2407 blocks = *dp++; 2408 for (idx2 = 0; idx2 < blocks; idx2++) { 2409 tulip_media_t media; 2410 data = *dp++; 2411 srom_media = (tulip_srom_media_t) (data & 0x3F); 2412 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2413 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2414 break; 2415 } 2416 media = tulip_srom_mediums[idx3].sm_type; 2417 if (media != TULIP_MEDIA_UNKNOWN) { 2418 if (data & TULIP_SROM_21041_EXTENDED) { 2419 mi->mi_type = TULIP_MEDIAINFO_SIA; 2420 sc->tulip_mediums[media] = mi; 2421 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2422 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2423 mi->mi_sia_general = dp[4] + dp[5] * 256; 2424 mi++; 2425 } else { 2426 switch (media) { 2427 case TULIP_MEDIA_BNC: { 2428 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2429 mi++; 2430 break; 2431 } 2432 case TULIP_MEDIA_AUI: { 2433 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2434 mi++; 2435 break; 2436 } 2437 case TULIP_MEDIA_10BASET: { 2438 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2439 mi++; 2440 break; 2441 } 2442 case TULIP_MEDIA_10BASET_FD: { 2443 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2444 mi++; 2445 break; 2446 } 2447 default: { 2448 break; 2449 } 2450 } 2451 } 2452 } 2453 if (data & TULIP_SROM_21041_EXTENDED) 2454 dp += 6; 2455 } 2456#ifdef notdef 2457 if (blocks == 0) { 2458 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2459 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2460 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2461 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2462 } 2463#endif 2464 } else { 2465 unsigned length, type; 2466 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2467 if (sc->tulip_features & TULIP_HAVE_GPR) 2468 sc->tulip_gpinit = *dp++; 2469 blocks = *dp++; 2470 for (idx2 = 0; idx2 < blocks; idx2++) { 2471 const u_int8_t *ep; 2472 if ((*dp & 0x80) == 0) { 2473 length = 4; 2474 type = 0; 2475 } else { 2476 length = (*dp++ & 0x7f) - 1; 2477 type = *dp++ & 0x3f; 2478 } 2479 ep = dp + length; 2480 switch (type & 0x3f) { 2481 case 0: { /* 21140[A] GPR block */ 2482 tulip_media_t media; 2483 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2484 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2485 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2486 break; 2487 } 2488 media = tulip_srom_mediums[idx3].sm_type; 2489 if (media == TULIP_MEDIA_UNKNOWN) 2490 break; 2491 mi->mi_type = TULIP_MEDIAINFO_GPR; 2492 sc->tulip_mediums[media] = mi; 2493 mi->mi_gpdata = dp[1]; 2494 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2495 sc->tulip_gpdata = mi->mi_gpdata; 2496 gp_media = media; 2497 } 2498 data = dp[2] + dp[3] * 256; 2499 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2500 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2501 mi->mi_actmask = 0; 2502 } else { 2503#if 0 2504 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2505#endif 2506 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2507 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2508 } 2509 mi++; 2510 break; 2511 } 2512 case 1: { /* 21140[A] MII block */ 2513 const unsigned phyno = *dp++; 2514 mi->mi_type = TULIP_MEDIAINFO_MII; 2515 mi->mi_gpr_length = *dp++; 2516 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2517 dp += mi->mi_gpr_length; 2518 mi->mi_reset_length = *dp++; 2519 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2520 dp += mi->mi_reset_length; 2521 2522 /* 2523 * Before we probe for a PHY, use the GPR information 2524 * to select it. If we don't, it may be inaccessible. 2525 */ 2526 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2527 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2528 DELAY(10); 2529 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2530 } 2531 sc->tulip_phyaddr = mi->mi_phyaddr; 2532 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2533 DELAY(10); 2534 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2535 } 2536 2537 /* 2538 * At least write something! 2539 */ 2540 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2541 TULIP_CSR_WRITE(sc, csr_gp, 0); 2542 2543 mi->mi_phyaddr = TULIP_MII_NOPHY; 2544 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2545 DELAY(10000); 2546 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2547 } 2548 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2549#if defined(TULIP_DEBUG) 2550 if_printf(sc->tulip_ifp, "can't find phy %d\n", 2551 phyno); 2552#endif 2553 break; 2554 } 2555 sc->tulip_features |= TULIP_HAVE_MII; 2556 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2557 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2558 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2559 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2560 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2561 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2562 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2563 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2564 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2565 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2566 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2567 mi++; 2568 break; 2569 } 2570 case 2: { /* 2114[23] SIA block */ 2571 tulip_media_t media; 2572 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2573 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2574 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2575 break; 2576 } 2577 media = tulip_srom_mediums[idx3].sm_type; 2578 if (media == TULIP_MEDIA_UNKNOWN) 2579 break; 2580 mi->mi_type = TULIP_MEDIAINFO_SIA; 2581 sc->tulip_mediums[media] = mi; 2582 if (dp[0] & 0x40) { 2583 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2584 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2585 mi->mi_sia_general = dp[5] + dp[6] * 256; 2586 dp += 6; 2587 } else { 2588 switch (media) { 2589 case TULIP_MEDIA_BNC: { 2590 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2591 break; 2592 } 2593 case TULIP_MEDIA_AUI: { 2594 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2595 break; 2596 } 2597 case TULIP_MEDIA_10BASET: { 2598 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2599 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2600 break; 2601 } 2602 case TULIP_MEDIA_10BASET_FD: { 2603 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2604 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2605 break; 2606 } 2607 default: { 2608 goto bad_media; 2609 } 2610 } 2611 } 2612 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2613 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2614 mi++; 2615 bad_media: 2616 break; 2617 } 2618 case 3: { /* 2114[23] MII PHY block */ 2619 const unsigned phyno = *dp++; 2620 const u_int8_t *dp0; 2621 mi->mi_type = TULIP_MEDIAINFO_MII; 2622 mi->mi_gpr_length = *dp++; 2623 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2624 dp += 2 * mi->mi_gpr_length; 2625 mi->mi_reset_length = *dp++; 2626 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2627 dp += 2 * mi->mi_reset_length; 2628 2629 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2630 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2631 DELAY(10); 2632 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2633 } 2634 sc->tulip_phyaddr = mi->mi_phyaddr; 2635 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2636 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2637 DELAY(10); 2638 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2639 } 2640 2641 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2642 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2643 2644 mi->mi_phyaddr = TULIP_MII_NOPHY; 2645 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2646 DELAY(10000); 2647 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2648 } 2649 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2650#if defined(TULIP_DEBUG) 2651 if_printf(sc->tulip_ifp, "can't find phy %d\n", 2652 phyno); 2653#endif 2654 break; 2655 } 2656 sc->tulip_features |= TULIP_HAVE_MII; 2657 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2658 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2659 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2660 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2661 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2662 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2663 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2664 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2665 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2666 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2667 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2668 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2669 mi++; 2670 break; 2671 } 2672 case 4: { /* 21143 SYM block */ 2673 tulip_media_t media; 2674 srom_media = (tulip_srom_media_t) dp[0]; 2675 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2676 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2677 break; 2678 } 2679 media = tulip_srom_mediums[idx3].sm_type; 2680 if (media == TULIP_MEDIA_UNKNOWN) 2681 break; 2682 mi->mi_type = TULIP_MEDIAINFO_SYM; 2683 sc->tulip_mediums[media] = mi; 2684 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2685 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2686 data = dp[5] + dp[6] * 256; 2687 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2688 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2689 mi->mi_actmask = 0; 2690 } else { 2691 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2692 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2693 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2694 } 2695 if (TULIP_IS_MEDIA_TP(media)) 2696 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2697 mi++; 2698 break; 2699 } 2700#if 0 2701 case 5: { /* 21143 Reset block */ 2702 mi->mi_type = TULIP_MEDIAINFO_RESET; 2703 mi->mi_reset_length = *dp++; 2704 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2705 dp += 2 * mi->mi_reset_length; 2706 mi++; 2707 break; 2708 } 2709#endif 2710 default: { 2711 } 2712 } 2713 dp = ep; 2714 } 2715 } 2716 return mi - sc->tulip_mediainfo; 2717} 2718 2719static const struct { 2720 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2721 unsigned char vendor_oui[3]; 2722} tulip_vendors[] = { 2723 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2724 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2725 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2726 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2727 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2728 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2729 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2730 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2731 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2732 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2733 { NULL } 2734}; 2735 2736/* 2737 * This deals with the vagaries of the address roms and the 2738 * brain-deadness that various vendors commit in using them. 2739 */ 2740static int 2741tulip_read_macaddr(tulip_softc_t * const sc) 2742{ 2743 unsigned cksum, rom_cksum, idx; 2744 u_int32_t csr; 2745 unsigned char tmpbuf[8]; 2746 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2747 2748 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2749 2750 if (sc->tulip_chipid == TULIP_21040) { 2751 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2752 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2753 int cnt = 0; 2754 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2755 cnt++; 2756 sc->tulip_rombuf[idx] = csr & 0xFF; 2757 } 2758 sc->tulip_boardsw = &tulip_21040_boardsw; 2759 } else { 2760 if (sc->tulip_chipid == TULIP_21041) { 2761 /* 2762 * Thankfully all 21041's act the same. 2763 */ 2764 sc->tulip_boardsw = &tulip_21041_boardsw; 2765 } else { 2766 /* 2767 * Assume all 21140 board are compatible with the 2768 * DEC 10/100 evaluation board. Not really valid but 2769 * it's the best we can do until every one switches to 2770 * the new SROM format. 2771 */ 2772 2773 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2774 } 2775 tulip_srom_read(sc); 2776 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2777 /* 2778 * SROM CRC is valid therefore it must be in the 2779 * new format. 2780 */ 2781 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2782 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2783 /* 2784 * No checksum is present. See if the SROM id checks out; 2785 * the first 18 bytes should be 0 followed by a 1 followed 2786 * by the number of adapters (which we don't deal with yet). 2787 */ 2788 for (idx = 0; idx < 18; idx++) { 2789 if (sc->tulip_rombuf[idx] != 0) 2790 break; 2791 } 2792 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2793 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2794 } else if (sc->tulip_chipid >= TULIP_21142) { 2795 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2796 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2797 } 2798 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2799 if (sc->tulip_chipid != TULIP_21041) 2800 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2801 2802 /* 2803 * If the SROM specifies more than one adapter, tag this as a 2804 * BASE rom. 2805 */ 2806 if (sc->tulip_rombuf[19] > 1) 2807 sc->tulip_features |= TULIP_HAVE_BASEROM; 2808 if (sc->tulip_boardsw == NULL) 2809 return -6; 2810 goto check_oui; 2811 } 2812 } 2813 2814 2815 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2816 /* 2817 * Some folks don't use the standard ethernet rom format 2818 * but instead just put the address in the first 6 bytes 2819 * of the rom and let the rest be all 0xffs. (Can we say 2820 * ZNYX?) (well sometimes they put in a checksum so we'll 2821 * start at 8). 2822 */ 2823 for (idx = 8; idx < 32; idx++) { 2824 if (sc->tulip_rombuf[idx] != 0xFF) 2825 return -4; 2826 } 2827 /* 2828 * Make sure the address is not multicast or locally assigned 2829 * that the OUI is not 00-00-00. 2830 */ 2831 if ((sc->tulip_rombuf[0] & 3) != 0) 2832 return -4; 2833 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2834 && sc->tulip_rombuf[2] == 0) 2835 return -4; 2836 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2837 sc->tulip_features |= TULIP_HAVE_OKROM; 2838 goto check_oui; 2839 } else { 2840 /* 2841 * A number of makers of multiport boards (ZNYX and Cogent) 2842 * only put on one address ROM on their 21040 boards. So 2843 * if the ROM is all zeros (or all 0xFFs), look at the 2844 * previous configured boards (as long as they are on the same 2845 * PCI bus and the bus number is non-zero) until we find the 2846 * master board with address ROM. We then use its address ROM 2847 * as the base for this board. (we add our relative board 2848 * to the last byte of its address). 2849 */ 2850 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2851 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2852 break; 2853 } 2854 if (idx == sizeof(sc->tulip_rombuf)) { 2855 int root_unit; 2856 tulip_softc_t *root_sc = NULL; 2857 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2858 root_sc = tulips[root_unit]; 2859 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2860 break; 2861 root_sc = NULL; 2862 } 2863 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2864 && root_sc->tulip_chipid == sc->tulip_chipid 2865 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2866 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2867 sc->tulip_boardsw = root_sc->tulip_boardsw; 2868 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2869 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2870 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2871 sizeof(sc->tulip_rombuf)); 2872 if (!tulip_srom_decode(sc)) 2873 return -5; 2874 } else { 2875 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2876 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2877 } 2878 /* 2879 * Now for a truly disgusting kludge: all 4 21040s on 2880 * the ZX314 share the same INTA line so the mapping 2881 * setup by the BIOS on the PCI bridge is worthless. 2882 * Rather than reprogramming the value in the config 2883 * register, we will handle this internally. 2884 */ 2885 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2886 sc->tulip_slaves = root_sc->tulip_slaves; 2887 root_sc->tulip_slaves = sc; 2888 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2889 } 2890 return 0; 2891 } 2892 } 2893 } 2894 2895 /* 2896 * This is the standard DEC address ROM test. 2897 */ 2898 2899 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2900 return -3; 2901 2902 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2903 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2904 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2905 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2906 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2907 return -2; 2908 2909 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2910 2911 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2912 cksum *= 2; 2913 if (cksum > 65535) cksum -= 65535; 2914 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2915 if (cksum > 65535) cksum -= 65535; 2916 cksum *= 2; 2917 if (cksum > 65535) cksum -= 65535; 2918 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2919 if (cksum >= 65535) cksum -= 65535; 2920 2921 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2922 2923 if (cksum != rom_cksum) 2924 return -1; 2925 2926 check_oui: 2927 /* 2928 * Check for various boards based on OUI. Did I say braindead? 2929 */ 2930 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2931 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2932 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2933 break; 2934 } 2935 } 2936 2937 sc->tulip_features |= TULIP_HAVE_OKROM; 2938 return 0; 2939} 2940 2941static void 2942tulip_ifmedia_add(tulip_softc_t * const sc) 2943{ 2944 tulip_media_t media; 2945 int medias = 0; 2946 2947 TULIP_LOCK_ASSERT(sc); 2948 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2949 if (sc->tulip_mediums[media] != NULL) { 2950 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2951 0, 0); 2952 medias++; 2953 } 2954 } 2955 if (medias == 0) { 2956 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2957 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2958 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2959 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2960 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2961 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2962 } else { 2963 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2964 sc->tulip_flags |= TULIP_PRINTMEDIA; 2965 tulip_linkup(sc, sc->tulip_media); 2966 } 2967} 2968 2969static int 2970tulip_ifmedia_change(struct ifnet * const ifp) 2971{ 2972 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 2973 2974 TULIP_LOCK(sc); 2975 sc->tulip_flags |= TULIP_NEEDRESET; 2976 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2977 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2978 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2979 tulip_media_t media; 2980 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2981 if (sc->tulip_mediums[media] != NULL 2982 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2983 sc->tulip_flags |= TULIP_PRINTMEDIA; 2984 sc->tulip_flags &= ~TULIP_DIDNWAY; 2985 tulip_linkup(sc, media); 2986 TULIP_UNLOCK(sc); 2987 return 0; 2988 } 2989 } 2990 } 2991 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2992 tulip_reset(sc); 2993 tulip_init_locked(sc); 2994 TULIP_UNLOCK(sc); 2995 return 0; 2996} 2997 2998/* 2999 * Media status callback 3000 */ 3001static void 3002tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req) 3003{ 3004 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3005 3006 TULIP_LOCK(sc); 3007 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 3008 TULIP_UNLOCK(sc); 3009 return; 3010 } 3011 3012 req->ifm_status = IFM_AVALID; 3013 if (sc->tulip_flags & TULIP_LINKUP) 3014 req->ifm_status |= IFM_ACTIVE; 3015 3016 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 3017 TULIP_UNLOCK(sc); 3018} 3019 3020static void 3021tulip_addr_filter(tulip_softc_t * const sc) 3022{ 3023 struct ifmultiaddr *ifma; 3024 struct ifnet *ifp; 3025 u_char *addrp; 3026 int multicnt; 3027 3028 TULIP_LOCK_ASSERT(sc); 3029 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 3030 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 3031 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3032 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3033#if defined(IFF_ALLMULTI) 3034 if (sc->tulip_ifp->if_flags & IFF_ALLMULTI) 3035 sc->tulip_flags |= TULIP_ALLMULTI ; 3036#endif 3037 3038 multicnt = 0; 3039 ifp = sc->tulip_ifp; 3040 IF_ADDR_LOCK(ifp); 3041 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3042 3043 if (ifma->ifma_addr->sa_family == AF_LINK) 3044 multicnt++; 3045 } 3046 3047 if (multicnt > 14) { 3048 u_int32_t *sp = sc->tulip_setupdata; 3049 unsigned hash; 3050 /* 3051 * Some early passes of the 21140 have broken implementations of 3052 * hash-perfect mode. When we get too many multicasts for perfect 3053 * filtering with these chips, we need to switch into hash-only 3054 * mode (this is better than all-multicast on network with lots 3055 * of multicast traffic). 3056 */ 3057 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3058 sc->tulip_flags |= TULIP_WANTHASHONLY; 3059 else 3060 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3061 /* 3062 * If we have more than 14 multicasts, we have 3063 * go into hash perfect mode (512 bit multicast 3064 * hash and one perfect hardware). 3065 */ 3066 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3067 3068 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3069 3070 if (ifma->ifma_addr->sa_family != AF_LINK) 3071 continue; 3072 3073 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 3074 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 3075 } 3076 /* 3077 * No reason to use a hash if we are going to be 3078 * receiving every multicast. 3079 */ 3080 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3081 hash = tulip_mchash(ifp->if_broadcastaddr); 3082 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 3083 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3084 hash = tulip_mchash(IFP2ENADDR(ifp)); 3085 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 3086 } else { 3087 sp[39] = TULIP_SP_MAC(((u_int16_t *)IFP2ENADDR(ifp))[0]); 3088 sp[40] = TULIP_SP_MAC(((u_int16_t *)IFP2ENADDR(ifp))[1]); 3089 sp[41] = TULIP_SP_MAC(((u_int16_t *)IFP2ENADDR(ifp))[2]); 3090 } 3091 } 3092 } 3093 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3094 u_int32_t *sp = sc->tulip_setupdata; 3095 int idx = 0; 3096 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3097 /* 3098 * Else can get perfect filtering for 16 addresses. 3099 */ 3100 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3101 if (ifma->ifma_addr->sa_family != AF_LINK) 3102 continue; 3103 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3104 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[0]); 3105 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[1]); 3106 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[2]); 3107 idx++; 3108 } 3109 /* 3110 * Add the broadcast address. 3111 */ 3112 idx++; 3113 *sp++ = TULIP_SP_MAC(0xFFFF); 3114 *sp++ = TULIP_SP_MAC(0xFFFF); 3115 *sp++ = TULIP_SP_MAC(0xFFFF); 3116 } 3117 /* 3118 * Pad the rest with our hardware address 3119 */ 3120 for (; idx < 16; idx++) { 3121 *sp++ = TULIP_SP_MAC(((u_int16_t *)IFP2ENADDR(ifp))[0]); 3122 *sp++ = TULIP_SP_MAC(((u_int16_t *)IFP2ENADDR(ifp))[1]); 3123 *sp++ = TULIP_SP_MAC(((u_int16_t *)IFP2ENADDR(ifp))[2]); 3124 } 3125 } 3126 IF_ADDR_UNLOCK(ifp); 3127} 3128 3129static void 3130tulip_reset(tulip_softc_t * const sc) 3131{ 3132 tulip_ringinfo_t *ri; 3133 tulip_descinfo_t *di; 3134 struct mbuf *m; 3135 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3136 3137 TULIP_LOCK_ASSERT(sc); 3138 3139 CTR1(KTR_TULIP, "tulip_reset: inreset %d", inreset); 3140 3141 /* 3142 * Brilliant. Simply brilliant. When switching modes/speeds 3143 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3144 * bits in CSR6 and then do a software reset to get the 21140 3145 * to properly reset its internal pathways to the right places. 3146 * Grrrr. 3147 */ 3148 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3149 && sc->tulip_boardsw->bd_media_preset != NULL) 3150 (*sc->tulip_boardsw->bd_media_preset)(sc); 3151 3152 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3153 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3154 33MHz that comes to two microseconds but wait a 3155 bit longer anyways) */ 3156 3157 if (!inreset) { 3158 sc->tulip_flags |= TULIP_INRESET; 3159 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3160 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 3161 } 3162 3163 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txinfo.ri_dma_addr); 3164 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxinfo.ri_dma_addr); 3165 TULIP_CSR_WRITE(sc, csr_busmode, 3166 (1 << (3 /*pci_max_burst_len*/ + 8)) 3167 |TULIP_BUSMODE_CACHE_ALIGN8 3168 |TULIP_BUSMODE_READMULTIPLE 3169 |(BYTE_ORDER != LITTLE_ENDIAN ? 3170 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3171 3172 sc->tulip_txtimer = 0; 3173 /* 3174 * Free all the mbufs that were on the transmit ring. 3175 */ 3176 CTR0(KTR_TULIP, "tulip_reset: drain transmit ring"); 3177 ri = &sc->tulip_txinfo; 3178 for (di = ri->ri_first; di < ri->ri_last; di++) { 3179 m = tulip_dequeue_mbuf(ri, di, SYNC_NONE); 3180 if (m != NULL) 3181 m_freem(m); 3182 di->di_desc->d_status = 0; 3183 } 3184 3185 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3186 ri->ri_free = ri->ri_max; 3187 TULIP_TXDESC_PRESYNC(ri); 3188 3189 /* 3190 * We need to collect all the mbufs that were on the 3191 * receive ring before we reinit it either to put 3192 * them back on or to know if we have to allocate 3193 * more. 3194 */ 3195 CTR0(KTR_TULIP, "tulip_reset: drain receive ring"); 3196 ri = &sc->tulip_rxinfo; 3197 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3198 ri->ri_free = ri->ri_max; 3199 for (di = ri->ri_first; di < ri->ri_last; di++) { 3200 di->di_desc->d_status = 0; 3201 di->di_desc->d_length1 = 0; di->di_desc->d_addr1 = 0; 3202 di->di_desc->d_length2 = 0; di->di_desc->d_addr2 = 0; 3203 } 3204 TULIP_RXDESC_PRESYNC(ri); 3205 for (di = ri->ri_first; di < ri->ri_last; di++) { 3206 m = tulip_dequeue_mbuf(ri, di, SYNC_NONE); 3207 if (m != NULL) 3208 m_freem(m); 3209 } 3210 3211 /* 3212 * If tulip_reset is being called recursively, exit quickly knowing 3213 * that when the outer tulip_reset returns all the right stuff will 3214 * have happened. 3215 */ 3216 if (inreset) 3217 return; 3218 3219 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3220 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3221 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3222 |TULIP_STS_RXSTOPPED; 3223 3224 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3225 (*sc->tulip_boardsw->bd_media_select)(sc); 3226#if defined(TULIP_DEBUG) 3227 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3228 if_printf(sc->tulip_ifp, 3229 "tulip_reset: additional reset needed?!?\n"); 3230#endif 3231 if (bootverbose) 3232 tulip_media_print(sc); 3233 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3234 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3235 3236 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3237 |TULIP_RXACT); 3238 tulip_addr_filter(sc); 3239} 3240 3241 3242static void 3243tulip_init(void *arg) 3244{ 3245 tulip_softc_t *sc = (tulip_softc_t *)arg; 3246 3247 TULIP_LOCK(sc); 3248 tulip_init_locked(sc); 3249 TULIP_UNLOCK(sc); 3250} 3251 3252static void 3253tulip_init_locked(tulip_softc_t * const sc) 3254{ 3255 CTR0(KTR_TULIP, "tulip_init_locked"); 3256 if (sc->tulip_ifp->if_flags & IFF_UP) { 3257 if ((sc->tulip_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 3258 /* initialize the media */ 3259 CTR0(KTR_TULIP, "tulip_init_locked: up but not running, reset chip"); 3260 tulip_reset(sc); 3261 } 3262 sc->tulip_ifp->if_drv_flags |= IFF_DRV_RUNNING; 3263 if (sc->tulip_ifp->if_flags & IFF_PROMISC) { 3264 sc->tulip_flags |= TULIP_PROMISC; 3265 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3266 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3267 } else { 3268 sc->tulip_flags &= ~TULIP_PROMISC; 3269 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3270 if (sc->tulip_flags & TULIP_ALLMULTI) { 3271 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3272 } else { 3273 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3274 } 3275 } 3276 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3277 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3278 tulip_rx_intr(sc); 3279 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3280 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3281 } else { 3282 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 3283 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3284 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3285 } 3286 CTR2(KTR_TULIP, "tulip_init_locked: intr mask %08x cmdmode %08x", 3287 sc->tulip_intrmask, sc->tulip_cmdmode); 3288 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3289 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3290 CTR1(KTR_TULIP, "tulip_init_locked: status %08x\n", 3291 TULIP_CSR_READ(sc, csr_status)); 3292 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3293 tulip_txput_setup(sc); 3294 } else { 3295 CTR0(KTR_TULIP, "tulip_init_locked: not up, reset chip"); 3296 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 3297 tulip_reset(sc); 3298 } 3299} 3300 3301#define DESC_STATUS(di) (((volatile tulip_desc_t *)((di)->di_desc))->d_status) 3302#define DESC_FLAG(di) ((di)->di_desc->d_flag) 3303 3304static void 3305tulip_rx_intr(tulip_softc_t * const sc) 3306{ 3307 TULIP_PERFSTART(rxintr) 3308 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3309 struct ifnet * const ifp = sc->tulip_ifp; 3310 int fillok = 1; 3311#if defined(TULIP_DEBUG) 3312 int cnt = 0; 3313#endif 3314 3315 TULIP_LOCK_ASSERT(sc); 3316 CTR0(KTR_TULIP, "tulip_rx_intr: start"); 3317 for (;;) { 3318 TULIP_PERFSTART(rxget) 3319 tulip_descinfo_t *eop = ri->ri_nextin, *dip; 3320 int total_len = 0, last_offset = 0; 3321 struct mbuf *ms = NULL, *me = NULL; 3322 int accept = 0; 3323 int error; 3324 3325 if (fillok && (ri->ri_max - ri->ri_free) < TULIP_RXQ_TARGET) 3326 goto queue_mbuf; 3327 3328#if defined(TULIP_DEBUG) 3329 if (cnt == ri->ri_max) 3330 break; 3331#endif 3332 /* 3333 * If the TULIP has no descriptors, there can't be any receive 3334 * descriptors to process. 3335 */ 3336 if (eop == ri->ri_nextout) 3337 break; 3338 3339 /* 3340 * 90% of the packets will fit in one descriptor. So we optimize 3341 * for that case. 3342 */ 3343 TULIP_RXDESC_POSTSYNC(ri); 3344 if ((DESC_STATUS(eop) & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3345 ms = tulip_dequeue_mbuf(ri, eop, SYNC_RX); 3346 CTR2(KTR_TULIP, 3347 "tulip_rx_intr: single packet mbuf %p from descriptor %td", ms, 3348 eop - ri->ri_first); 3349 me = ms; 3350 ri->ri_free++; 3351 } else { 3352 /* 3353 * If still owned by the TULIP, don't touch it. 3354 */ 3355 if (DESC_STATUS(eop) & TULIP_DSTS_OWNER) 3356 break; 3357 3358 /* 3359 * It is possible (though improbable unless MCLBYTES < 1518) for 3360 * a received packet to cross more than one receive descriptor. 3361 * We first loop through the descriptor ring making sure we have 3362 * received a complete packet. If not, we bail until the next 3363 * interrupt. 3364 */ 3365 dip = eop; 3366 while ((DESC_STATUS(eop) & TULIP_DSTS_RxLASTDESC) == 0) { 3367 if (++eop == ri->ri_last) 3368 eop = ri->ri_first; 3369 TULIP_RXDESC_POSTSYNC(ri); 3370 if (eop == ri->ri_nextout || DESC_STATUS(eop) & TULIP_DSTS_OWNER) { 3371#if defined(TULIP_DEBUG) 3372 sc->tulip_dbg.dbg_rxintrs++; 3373 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3374#endif 3375 TULIP_PERFEND(rxget); 3376 TULIP_PERFEND(rxintr); 3377 return; 3378 } 3379 total_len++; 3380 } 3381 3382 /* 3383 * Dequeue the first buffer for the start of the packet. Hopefully 3384 * this will be the only one we need to dequeue. However, if the 3385 * packet consumed multiple descriptors, then we need to dequeue 3386 * those buffers and chain to the starting mbuf. All buffers but 3387 * the last buffer have the same length so we can set that now. 3388 * (we add to last_offset instead of multiplying since we normally 3389 * won't go into the loop and thereby saving ourselves from 3390 * doing a multiplication by 0 in the normal case). 3391 */ 3392 ms = tulip_dequeue_mbuf(ri, dip, SYNC_RX); 3393 CTR2(KTR_TULIP, 3394 "tulip_rx_intr: start packet mbuf %p from descriptor %td", ms, 3395 dip - ri->ri_first); 3396 ri->ri_free++; 3397 for (me = ms; total_len > 0; total_len--) { 3398 me->m_len = TULIP_RX_BUFLEN; 3399 last_offset += TULIP_RX_BUFLEN; 3400 if (++dip == ri->ri_last) 3401 dip = ri->ri_first; 3402 me->m_next = tulip_dequeue_mbuf(ri, dip, SYNC_RX); 3403 ri->ri_free++; 3404 me = me->m_next; 3405 CTR2(KTR_TULIP, 3406 "tulip_rx_intr: cont packet mbuf %p from descriptor %td", 3407 me, dip - ri->ri_first); 3408 } 3409 KASSERT(dip == eop, ("mismatched descinfo structs")); 3410 } 3411 3412 /* 3413 * Now get the size of received packet (minus the CRC). 3414 */ 3415 total_len = ((DESC_STATUS(eop) >> 16) & 0x7FFF) - ETHER_CRC_LEN; 3416 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3417 && ((DESC_STATUS(eop) & TULIP_DSTS_ERRSUM) == 0)) { 3418 me->m_len = total_len - last_offset; 3419 sc->tulip_flags |= TULIP_RXACT; 3420 accept = 1; 3421 CTR1(KTR_TULIP, "tulip_rx_intr: good packet; length %d", 3422 total_len); 3423 } else { 3424 CTR1(KTR_TULIP, "tulip_rx_intr: bad packet; status %08x", 3425 DESC_STATUS(eop)); 3426 ifp->if_ierrors++; 3427 if (DESC_STATUS(eop) & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3428 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3429 } else { 3430#if defined(TULIP_VERBOSE) 3431 const char *error = NULL; 3432#endif 3433 if (DESC_STATUS(eop) & TULIP_DSTS_RxTOOLONG) { 3434 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3435#if defined(TULIP_VERBOSE) 3436 error = "frame too long"; 3437#endif 3438 } 3439 if (DESC_STATUS(eop) & TULIP_DSTS_RxBADCRC) { 3440 if (DESC_STATUS(eop) & TULIP_DSTS_RxDRBBLBIT) { 3441 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3442#if defined(TULIP_VERBOSE) 3443 error = "alignment error"; 3444#endif 3445 } else { 3446 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3447#if defined(TULIP_VERBOSE) 3448 error = "bad crc"; 3449#endif 3450 } 3451 } 3452#if defined(TULIP_VERBOSE) 3453 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3454 if_printf(sc->tulip_ifp, "receive: %6D: %s\n", 3455 mtod(ms, u_char *) + 6, ":", 3456 error); 3457 sc->tulip_flags |= TULIP_NOMESSAGES; 3458 } 3459#endif 3460 } 3461 3462 } 3463#if defined(TULIP_DEBUG) 3464 cnt++; 3465#endif 3466 ifp->if_ipackets++; 3467 if (++eop == ri->ri_last) 3468 eop = ri->ri_first; 3469 ri->ri_nextin = eop; 3470 queue_mbuf: 3471 /* 3472 * We have received a good packet that needs to be passed up the 3473 * stack. 3474 */ 3475 if (accept) { 3476 struct mbuf *m0; 3477 3478 KASSERT(ms != NULL, ("no packet to accept")); 3479#if defined(TULIP_COPY_RXDATA) 3480 /* 3481 * Copy the data into a new mbuf that is properly aligned. If 3482 * we fail to allocate a new mbuf, then drop the packet. We will 3483 * reuse the same rx buffer ('ms') below for another packet 3484 * regardless. 3485 */ 3486 m0 = m_devget(mtod(ms, caddr_t), total_len, ETHER_ALIGN, ifp, NULL); 3487 if (m0 == NULL) { 3488 ifp->if_ierrors++; 3489 goto skip_input; 3490 } 3491#else 3492 /* 3493 * Update the header for the mbuf referencing this receive 3494 * buffer and pass it up the stack. Allocate a new mbuf cluster 3495 * to replace the one we just passed up the stack. 3496 * 3497 * Note that if this packet crossed multiple descriptors 3498 * we don't even try to reallocate all the mbufs here. 3499 * Instead we rely on the test at the beginning of 3500 * the loop to refill for the extra consumed mbufs. 3501 */ 3502 ms->m_pkthdr.len = total_len; 3503 ms->m_pkthdr.rcvif = ifp; 3504 m0 = ms; 3505 ms = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 3506#endif 3507 TULIP_UNLOCK(sc); 3508 CTR1(KTR_TULIP, "tulip_rx_intr: passing %p to upper layer", m0); 3509 (*ifp->if_input)(ifp, m0); 3510 TULIP_LOCK(sc); 3511 } else if (ms == NULL) 3512 /* 3513 * If we are priming the TULIP with mbufs, then allocate 3514 * a new cluster for the next descriptor. 3515 */ 3516 ms = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 3517 3518#if defined(TULIP_COPY_RXDATA) 3519 skip_input: 3520#endif 3521 if (ms == NULL) { 3522 /* 3523 * Couldn't allocate a new buffer. Don't bother 3524 * trying to replenish the receive queue. 3525 */ 3526 fillok = 0; 3527 sc->tulip_flags |= TULIP_RXBUFSLOW; 3528#if defined(TULIP_DEBUG) 3529 sc->tulip_dbg.dbg_rxlowbufs++; 3530#endif 3531 TULIP_PERFEND(rxget); 3532 continue; 3533 } 3534 /* 3535 * Now give the buffer(s) to the TULIP and save in our 3536 * receive queue. 3537 */ 3538 do { 3539 tulip_descinfo_t * const nextout = ri->ri_nextout; 3540 3541 M_ASSERTPKTHDR(ms); 3542 KASSERT(ms->m_data == ms->m_ext.ext_buf, 3543 ("rx mbuf data doesn't point to cluster")); 3544 ms->m_len = ms->m_pkthdr.len = MCLBYTES; 3545 error = bus_dmamap_load_mbuf(ri->ri_data_tag, *nextout->di_map, ms, 3546 tulip_dma_map_rxbuf, nextout->di_desc, BUS_DMA_NOWAIT); 3547 if (error) { 3548 if_printf(sc->tulip_ifp, 3549 "unable to load rx map, error = %d\n", error); 3550 panic("tulip_rx_intr"); /* XXX */ 3551 } 3552 nextout->di_desc->d_status = TULIP_DSTS_OWNER; 3553 KASSERT(nextout->di_mbuf == NULL, ("clobbering earlier rx mbuf")); 3554 nextout->di_mbuf = ms; 3555 CTR2(KTR_TULIP, "tulip_rx_intr: enqueued mbuf %p to descriptor %td", 3556 ms, nextout - ri->ri_first); 3557 TULIP_RXDESC_POSTSYNC(ri); 3558 if (++ri->ri_nextout == ri->ri_last) 3559 ri->ri_nextout = ri->ri_first; 3560 ri->ri_free--; 3561 me = ms->m_next; 3562 ms->m_next = NULL; 3563 } while ((ms = me) != NULL); 3564 3565 if ((ri->ri_max - ri->ri_free) >= TULIP_RXQ_TARGET) 3566 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3567 TULIP_PERFEND(rxget); 3568 } 3569 3570#if defined(TULIP_DEBUG) 3571 sc->tulip_dbg.dbg_rxintrs++; 3572 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3573#endif 3574 TULIP_PERFEND(rxintr); 3575} 3576 3577static int 3578tulip_tx_intr(tulip_softc_t * const sc) 3579{ 3580 TULIP_PERFSTART(txintr) 3581 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3582 struct mbuf *m; 3583 int xmits = 0; 3584 int descs = 0; 3585 3586 CTR0(KTR_TULIP, "tulip_tx_intr: start"); 3587 TULIP_LOCK_ASSERT(sc); 3588 while (ri->ri_free < ri->ri_max) { 3589 u_int32_t d_flag; 3590 3591 TULIP_TXDESC_POSTSYNC(ri); 3592 if (DESC_STATUS(ri->ri_nextin) & TULIP_DSTS_OWNER) 3593 break; 3594 3595 ri->ri_free++; 3596 descs++; 3597 d_flag = DESC_FLAG(ri->ri_nextin); 3598 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3599 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3600 CTR2(KTR_TULIP, 3601 "tulip_tx_intr: setup packet from descriptor %td: %08x", 3602 ri->ri_nextin - ri->ri_first, DESC_STATUS(ri->ri_nextin)); 3603 /* 3604 * We've just finished processing a setup packet. 3605 * Mark that we finished it. If there's not 3606 * another pending, startup the TULIP receiver. 3607 * Make sure we ack the RXSTOPPED so we won't get 3608 * an abormal interrupt indication. 3609 */ 3610 bus_dmamap_sync(sc->tulip_setup_tag, sc->tulip_setup_map, 3611 BUS_DMASYNC_POSTWRITE); 3612 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3613 if (DESC_FLAG(ri->ri_nextin) & TULIP_DFLAG_TxINVRSFILT) 3614 sc->tulip_flags |= TULIP_HASHONLY; 3615 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3616 tulip_rx_intr(sc); 3617 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3618 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3619 CTR2(KTR_TULIP, 3620 "tulip_tx_intr: intr mask %08x cmdmode %08x", 3621 sc->tulip_intrmask, sc->tulip_cmdmode); 3622 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3623 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3624 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3625 } 3626 } else { 3627 const u_int32_t d_status = DESC_STATUS(ri->ri_nextin); 3628 3629 m = tulip_dequeue_mbuf(ri, ri->ri_nextin, SYNC_TX); 3630 CTR2(KTR_TULIP, 3631 "tulip_tx_intr: data packet %p from descriptor %td", m, 3632 ri->ri_nextin - ri->ri_first); 3633 if (m != NULL) { 3634 m_freem(m); 3635#if defined(TULIP_DEBUG) 3636 } else { 3637 if_printf(sc->tulip_ifp, 3638 "tx_intr: failed to dequeue mbuf?!?\n"); 3639#endif 3640 } 3641 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3642 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3643 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3644#if defined(TULIP_DEBUG) 3645 if (d_status & TULIP_DSTS_TxNOCARR) 3646 sc->tulip_dbg.dbg_txprobe_nocarr++; 3647 if (d_status & TULIP_DSTS_TxEXCCOLL) 3648 sc->tulip_dbg.dbg_txprobe_exccoll++; 3649#endif 3650 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3651 } 3652 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3653 /* 3654 * Escape from the loop before media poll has reset the TULIP! 3655 */ 3656 break; 3657 } else { 3658 xmits++; 3659 if (d_status & TULIP_DSTS_ERRSUM) { 3660 CTR1(KTR_TULIP, "tulip_tx_intr: output error: %08x", 3661 d_status); 3662 sc->tulip_ifp->if_oerrors++; 3663 if (d_status & TULIP_DSTS_TxEXCCOLL) 3664 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3665 if (d_status & TULIP_DSTS_TxLATECOLL) 3666 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3667 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3668 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3669 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3670 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3671 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3672 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3673 if (d_status & TULIP_DSTS_TxBABBLE) 3674 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3675 } else { 3676 u_int32_t collisions = 3677 (d_status & TULIP_DSTS_TxCOLLMASK) 3678 >> TULIP_DSTS_V_TxCOLLCNT; 3679 3680 CTR2(KTR_TULIP, 3681 "tulip_tx_intr: output ok, collisions %d, status %08x", 3682 collisions, d_status); 3683 sc->tulip_ifp->if_collisions += collisions; 3684 if (collisions == 1) 3685 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3686 else if (collisions > 1) 3687 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3688 else if (d_status & TULIP_DSTS_TxDEFERRED) 3689 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3690 /* 3691 * SQE is only valid for 10baseT/BNC/AUI when not 3692 * running in full-duplex. In order to speed up the 3693 * test, the corresponding bit in tulip_flags needs to 3694 * set as well to get us to count SQE Test Errors. 3695 */ 3696 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3697 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3698 } 3699 } 3700 } 3701 } 3702 3703 if (++ri->ri_nextin == ri->ri_last) 3704 ri->ri_nextin = ri->ri_first; 3705 3706 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3707 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 3708 } 3709 /* 3710 * If nothing left to transmit, disable the timer. 3711 * Else if progress, reset the timer back to 2 ticks. 3712 */ 3713 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3714 sc->tulip_txtimer = 0; 3715 else if (xmits > 0) 3716 sc->tulip_txtimer = TULIP_TXTIMER; 3717 sc->tulip_ifp->if_opackets += xmits; 3718 TULIP_PERFEND(txintr); 3719 return descs; 3720} 3721 3722static void 3723tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr) 3724{ 3725 const char * const *msgp = tulip_status_bits; 3726 const char *sep; 3727 u_int32_t mask; 3728 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3729 3730 TULIP_LOCK_ASSERT(sc); 3731 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3732 if_printf(sc->tulip_ifp, "abnormal interrupt:"); 3733 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3734 if ((csr & mask) && *msgp != NULL) { 3735 printf("%s%s", sep, *msgp); 3736 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3737 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3738 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3739 printf(" (switching to store-and-forward mode)"); 3740 } else { 3741 printf(" (raising TX threshold to %s)", 3742 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3743 } 3744 } 3745 sep = ", "; 3746 } 3747 } 3748 printf("\n"); 3749} 3750 3751static void 3752tulip_intr_handler(tulip_softc_t * const sc) 3753{ 3754 TULIP_PERFSTART(intr) 3755 u_int32_t csr; 3756 3757 CTR0(KTR_TULIP, "tulip_intr_handler invoked"); 3758 TULIP_LOCK_ASSERT(sc); 3759 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3760 TULIP_CSR_WRITE(sc, csr_status, csr); 3761 3762 if (csr & TULIP_STS_SYSERROR) { 3763 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3764 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3765 sc->tulip_flags |= TULIP_SYSTEMERROR; 3766 } else { 3767 if_printf(sc->tulip_ifp, "system error: %s\n", 3768 tulip_system_errors[sc->tulip_last_system_error]); 3769 } 3770 sc->tulip_flags |= TULIP_NEEDRESET; 3771 sc->tulip_system_errors++; 3772 break; 3773 } 3774 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3775#if defined(TULIP_DEBUG) 3776 sc->tulip_dbg.dbg_link_intrs++; 3777#endif 3778 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3779 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3780 ? TULIP_MEDIAPOLL_LINKFAIL 3781 : TULIP_MEDIAPOLL_LINKPASS); 3782 csr &= ~TULIP_STS_ABNRMLINTR; 3783 } 3784 tulip_media_print(sc); 3785 } 3786 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3787 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3788 if (csr & TULIP_STS_RXNOBUF) 3789 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3790 /* 3791 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3792 * on receive overflows. 3793 */ 3794 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3795 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3796 /* 3797 * Stop the receiver process and spin until it's stopped. 3798 * Tell rx_intr to drop the packets it dequeues. 3799 */ 3800 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3801 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3802 ; 3803 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3804 sc->tulip_flags |= TULIP_RXIGNORE; 3805 } 3806 tulip_rx_intr(sc); 3807 if (sc->tulip_flags & TULIP_RXIGNORE) { 3808 /* 3809 * Restart the receiver. 3810 */ 3811 sc->tulip_flags &= ~TULIP_RXIGNORE; 3812 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3813 } 3814 } 3815 if (csr & TULIP_STS_ABNRMLINTR) { 3816 u_int32_t tmp = csr & sc->tulip_intrmask 3817 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3818 if (csr & TULIP_STS_TXUNDERFLOW) { 3819 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3820 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3821 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3822 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3823 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3824 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3825 } 3826 } 3827 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3828 sc->tulip_statusbits |= tmp; 3829 } else { 3830 tulip_print_abnormal_interrupt(sc, tmp); 3831 sc->tulip_flags |= TULIP_NOMESSAGES; 3832 } 3833 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3834 } 3835 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3836 tulip_tx_intr(sc); 3837 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3838 tulip_start_locked(sc); 3839 } 3840 } 3841 if (sc->tulip_flags & TULIP_NEEDRESET) { 3842 tulip_reset(sc); 3843 tulip_init_locked(sc); 3844 } 3845 TULIP_PERFEND(intr); 3846} 3847 3848static void 3849tulip_intr_shared(void *arg) 3850{ 3851 tulip_softc_t * sc = arg; 3852 3853 for (; sc != NULL; sc = sc->tulip_slaves) { 3854 TULIP_LOCK(sc); 3855#if defined(TULIP_DEBUG) 3856 sc->tulip_dbg.dbg_intrs++; 3857#endif 3858 tulip_intr_handler(sc); 3859 TULIP_UNLOCK(sc); 3860 } 3861} 3862 3863static void 3864tulip_intr_normal(void *arg) 3865{ 3866 tulip_softc_t * sc = (tulip_softc_t *) arg; 3867 3868 TULIP_LOCK(sc); 3869#if defined(TULIP_DEBUG) 3870 sc->tulip_dbg.dbg_intrs++; 3871#endif 3872 tulip_intr_handler(sc); 3873 TULIP_UNLOCK(sc); 3874} 3875 3876static struct mbuf * 3877tulip_txput(tulip_softc_t * const sc, struct mbuf *m) 3878{ 3879 TULIP_PERFSTART(txput) 3880 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3881 tulip_descinfo_t *eop, *nextout; 3882 int segcnt, free; 3883 u_int32_t d_status; 3884 bus_dma_segment_t segs[TULIP_MAX_TXSEG]; 3885 bus_dmamap_t *map; 3886 int error, nsegs; 3887 struct mbuf *m0; 3888 3889 TULIP_LOCK_ASSERT(sc); 3890#if defined(TULIP_DEBUG) 3891 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 3892 if_printf(sc->tulip_ifp, "txput%s: tx not running\n", 3893 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 3894 sc->tulip_flags |= TULIP_WANTTXSTART; 3895 sc->tulip_dbg.dbg_txput_finishes[0]++; 3896 goto finish; 3897 } 3898#endif 3899 3900 /* 3901 * Now we try to fill in our transmit descriptors. This is 3902 * a bit reminiscent of going on the Ark two by two 3903 * since each descriptor for the TULIP can describe 3904 * two buffers. So we advance through packet filling 3905 * each of the two entries at a time to to fill each 3906 * descriptor. Clear the first and last segment bits 3907 * in each descriptor (actually just clear everything 3908 * but the end-of-ring or chain bits) to make sure 3909 * we don't get messed up by previously sent packets. 3910 * 3911 * We may fail to put the entire packet on the ring if 3912 * there is either not enough ring entries free or if the 3913 * packet has more than MAX_TXSEG segments. In the former 3914 * case we will just wait for the ring to empty. In the 3915 * latter case we have to recopy. 3916 */ 3917#if defined(KTR) && KTR_TULIP 3918 segcnt = 1; 3919 m0 = m; 3920 while (m0->m_next != NULL) { 3921 segcnt++; 3922 m0 = m0->m_next; 3923 } 3924#endif 3925 CTR2(KTR_TULIP, "tulip_txput: sending packet %p (%d chunks)", m, segcnt); 3926 d_status = 0; 3927 eop = nextout = ri->ri_nextout; 3928 segcnt = 0; 3929 free = ri->ri_free; 3930 3931 /* 3932 * Reclaim some tx descriptors if we are out since we need at least one 3933 * free descriptor so that we have a dma_map to load the mbuf. 3934 */ 3935 if (free == 0) { 3936#if defined(TULIP_DEBUG) 3937 sc->tulip_dbg.dbg_no_txmaps++; 3938#endif 3939 free += tulip_tx_intr(sc); 3940 } 3941 if (free == 0) { 3942 sc->tulip_flags |= TULIP_WANTTXSTART; 3943#if defined(TULIP_DEBUG) 3944 sc->tulip_dbg.dbg_txput_finishes[1]++; 3945#endif 3946 goto finish; 3947 } 3948 error = bus_dmamap_load_mbuf_sg(ri->ri_data_tag, *eop->di_map, m, segs, 3949 &nsegs, BUS_DMA_NOWAIT); 3950 if (error != 0) { 3951 if (error == EFBIG) { 3952 /* 3953 * The packet exceeds the number of transmit buffer 3954 * entries that we can use for one packet, so we have 3955 * to recopy it into one mbuf and then try again. If 3956 * we can't recopy it, try again later. 3957 */ 3958 m0 = m_defrag(m, M_DONTWAIT); 3959 if (m0 == NULL) { 3960 sc->tulip_flags |= TULIP_WANTTXSTART; 3961#if defined(TULIP_DEBUG) 3962 sc->tulip_dbg.dbg_txput_finishes[2]++; 3963#endif 3964 goto finish; 3965 } 3966 m = m0; 3967 error = bus_dmamap_load_mbuf_sg(ri->ri_data_tag, *eop->di_map, m, 3968 segs, &nsegs, BUS_DMA_NOWAIT); 3969 } 3970 if (error != 0) { 3971 if_printf(sc->tulip_ifp, 3972 "unable to load tx map, error = %d\n", error); 3973#if defined(TULIP_DEBUG) 3974 sc->tulip_dbg.dbg_txput_finishes[3]++; 3975#endif 3976 goto finish; 3977 } 3978 } 3979 CTR1(KTR_TULIP, "tulip_txput: nsegs %d", nsegs); 3980 3981 /* 3982 * Each descriptor allows for up to 2 fragments since we don't use 3983 * the descriptor chaining mode in this driver. 3984 */ 3985 if ((free -= (nsegs + 1) / 2) <= 0 3986 /* 3987 * See if there's any unclaimed space in the transmit ring. 3988 */ 3989 && (free += tulip_tx_intr(sc)) <= 0) { 3990 /* 3991 * There's no more room but since nothing 3992 * has been committed at this point, just 3993 * show output is active, put back the 3994 * mbuf and return. 3995 */ 3996 sc->tulip_flags |= TULIP_WANTTXSTART; 3997#if defined(TULIP_DEBUG) 3998 sc->tulip_dbg.dbg_txput_finishes[4]++; 3999#endif 4000 bus_dmamap_unload(ri->ri_data_tag, *eop->di_map); 4001 goto finish; 4002 } 4003 for (; nsegs - segcnt > 1; segcnt += 2) { 4004 eop = nextout; 4005 eop->di_desc->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4006 eop->di_desc->d_status = d_status; 4007 eop->di_desc->d_addr1 = segs[segcnt].ds_addr; 4008 eop->di_desc->d_length1 = segs[segcnt].ds_len; 4009 eop->di_desc->d_addr2 = segs[segcnt+1].ds_addr; 4010 eop->di_desc->d_length2 = segs[segcnt+1].ds_len; 4011 d_status = TULIP_DSTS_OWNER; 4012 if (++nextout == ri->ri_last) 4013 nextout = ri->ri_first; 4014 } 4015 if (segcnt < nsegs) { 4016 eop = nextout; 4017 eop->di_desc->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4018 eop->di_desc->d_status = d_status; 4019 eop->di_desc->d_addr1 = segs[segcnt].ds_addr; 4020 eop->di_desc->d_length1 = segs[segcnt].ds_len; 4021 eop->di_desc->d_addr2 = 0; 4022 eop->di_desc->d_length2 = 0; 4023 if (++nextout == ri->ri_last) 4024 nextout = ri->ri_first; 4025 } 4026 4027 /* 4028 * tulip_tx_intr() harvests the mbuf from the last descriptor in the 4029 * frame. We just used the dmamap in the first descriptor for the 4030 * load operation however. Thus, to let the tulip_dequeue_mbuf() call 4031 * in tulip_tx_intr() unload the correct dmamap, we swap the dmamap 4032 * pointers in the two descriptors if this is a multiple-descriptor 4033 * packet. 4034 */ 4035 if (eop != ri->ri_nextout) { 4036 map = eop->di_map; 4037 eop->di_map = ri->ri_nextout->di_map; 4038 ri->ri_nextout->di_map = map; 4039 } 4040 4041 /* 4042 * bounce a copy to the bpf listener, if any. 4043 */ 4044 BPF_MTAP(sc->tulip_ifp, m); 4045 4046 /* 4047 * The descriptors have been filled in. Now get ready 4048 * to transmit. 4049 */ 4050 CTR3(KTR_TULIP, "tulip_txput: enqueued mbuf %p to descriptors %td - %td", 4051 m, ri->ri_nextout - ri->ri_first, eop - ri->ri_first); 4052 KASSERT(eop->di_mbuf == NULL, ("clobbering earlier tx mbuf")); 4053 eop->di_mbuf = m; 4054 TULIP_TXMAP_PRESYNC(ri, ri->ri_nextout); 4055 m = NULL; 4056 4057 /* 4058 * Make sure the next descriptor after this packet is owned 4059 * by us since it may have been set up above if we ran out 4060 * of room in the ring. 4061 */ 4062 nextout->di_desc->d_status = 0; 4063 TULIP_TXDESC_PRESYNC(ri); 4064 4065 /* 4066 * Mark the last and first segments, indicate we want a transmit 4067 * complete interrupt, and tell it to transmit! 4068 */ 4069 eop->di_desc->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4070 4071 /* 4072 * Note that ri->ri_nextout is still the start of the packet 4073 * and until we set the OWNER bit, we can still back out of 4074 * everything we have done. 4075 */ 4076 ri->ri_nextout->di_desc->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4077 TULIP_TXDESC_PRESYNC(ri); 4078 ri->ri_nextout->di_desc->d_status = TULIP_DSTS_OWNER; 4079 TULIP_TXDESC_PRESYNC(ri); 4080 4081 /* 4082 * This advances the ring for us. 4083 */ 4084 ri->ri_nextout = nextout; 4085 ri->ri_free = free; 4086 4087 TULIP_PERFEND(txput); 4088 4089 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4090 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4091 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 4092 TULIP_PERFEND(txput); 4093 return NULL; 4094 } 4095 4096 /* 4097 * switch back to the single queueing ifstart. 4098 */ 4099 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4100 if (sc->tulip_txtimer == 0) 4101 sc->tulip_txtimer = TULIP_TXTIMER; 4102#if defined(TULIP_DEBUG) 4103 sc->tulip_dbg.dbg_txput_finishes[5]++; 4104#endif 4105 4106 /* 4107 * If we want a txstart, there must be not enough space in the 4108 * transmit ring. So we want to enable transmit done interrupts 4109 * so we can immediately reclaim some space. When the transmit 4110 * interrupt is posted, the interrupt handler will call tx_intr 4111 * to reclaim space and then txstart (since WANTTXSTART is set). 4112 * txstart will move the packet into the transmit ring and clear 4113 * WANTTXSTART thereby causing TXINTR to be cleared. 4114 */ 4115 finish: 4116#if defined(TULIP_DEBUG) 4117 sc->tulip_dbg.dbg_txput_finishes[6]++; 4118#endif 4119 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4120 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 4121 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4122 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4123 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4124 } 4125 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4126 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4127 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4128 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4129 } 4130 } 4131 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4132 TULIP_PERFEND(txput); 4133 return m; 4134} 4135 4136static void 4137tulip_txput_setup(tulip_softc_t * const sc) 4138{ 4139 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4140 tulip_desc_t *nextout; 4141 4142 TULIP_LOCK_ASSERT(sc); 4143 4144 /* 4145 * We will transmit, at most, one setup packet per call to ifstart. 4146 */ 4147 4148#if defined(TULIP_DEBUG) 4149 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4150 if_printf(sc->tulip_ifp, "txput_setup: tx not running\n"); 4151 sc->tulip_flags |= TULIP_WANTTXSTART; 4152 return; 4153 } 4154#endif 4155 /* 4156 * Try to reclaim some free descriptors.. 4157 */ 4158 if (ri->ri_free < 2) 4159 tulip_tx_intr(sc); 4160 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4161 sc->tulip_flags |= TULIP_WANTTXSTART; 4162 return; 4163 } 4164 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4165 sizeof(sc->tulip_setupdata)); 4166 /* 4167 * Clear WANTSETUP and set DOINGSETUP. Since we know that WANTSETUP is 4168 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4169 */ 4170 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4171 ri->ri_free--; 4172 nextout = ri->ri_nextout->di_desc; 4173 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4174 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4175 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4176 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4177 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4178 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4179 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4180 4181 nextout->d_length2 = 0; 4182 nextout->d_addr2 = 0; 4183 nextout->d_length1 = sizeof(sc->tulip_setupdata); 4184 nextout->d_addr1 = sc->tulip_setup_dma_addr; 4185 bus_dmamap_sync(sc->tulip_setup_tag, sc->tulip_setup_map, 4186 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 4187 TULIP_TXDESC_PRESYNC(ri); 4188 CTR1(KTR_TULIP, "tulip_txput_setup: using descriptor %td", 4189 ri->ri_nextout - ri->ri_first); 4190 4191 /* 4192 * Advance the ring for the next transmit packet. 4193 */ 4194 if (++ri->ri_nextout == ri->ri_last) 4195 ri->ri_nextout = ri->ri_first; 4196 4197 /* 4198 * Make sure the next descriptor is owned by us since it 4199 * may have been set up above if we ran out of room in the 4200 * ring. 4201 */ 4202 ri->ri_nextout->di_desc->d_status = 0; 4203 TULIP_TXDESC_PRESYNC(ri); 4204 nextout->d_status = TULIP_DSTS_OWNER; 4205 /* 4206 * Flush the ownwership of the current descriptor 4207 */ 4208 TULIP_TXDESC_PRESYNC(ri); 4209 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4210 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4211 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4212 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4213 } 4214} 4215 4216static int 4217tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data) 4218{ 4219 TULIP_PERFSTART(ifioctl) 4220 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4221 struct ifreq *ifr = (struct ifreq *) data; 4222 int error = 0; 4223 4224 switch (cmd) { 4225 case SIOCSIFFLAGS: { 4226 TULIP_LOCK(sc); 4227 tulip_addr_filter(sc); /* reinit multicast filter */ 4228 tulip_init_locked(sc); 4229 TULIP_UNLOCK(sc); 4230 break; 4231 } 4232 4233 case SIOCSIFMEDIA: 4234 case SIOCGIFMEDIA: { 4235 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4236 break; 4237 } 4238 4239 case SIOCADDMULTI: 4240 case SIOCDELMULTI: { 4241 /* 4242 * Update multicast listeners 4243 */ 4244 TULIP_LOCK(sc); 4245 tulip_addr_filter(sc); /* reset multicast filtering */ 4246 tulip_init_locked(sc); 4247 TULIP_UNLOCK(sc); 4248 error = 0; 4249 break; 4250 } 4251 4252 case SIOCSIFMTU: 4253 /* 4254 * Set the interface MTU. 4255 */ 4256 TULIP_LOCK(sc); 4257 if (ifr->ifr_mtu > ETHERMTU) { 4258 error = EINVAL; 4259 break; 4260 } 4261 ifp->if_mtu = ifr->ifr_mtu; 4262 TULIP_UNLOCK(sc); 4263 break; 4264 4265#ifdef SIOCGADDRROM 4266 case SIOCGADDRROM: { 4267 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4268 break; 4269 } 4270#endif 4271#ifdef SIOCGCHIPID 4272 case SIOCGCHIPID: { 4273 ifr->ifr_metric = (int) sc->tulip_chipid; 4274 break; 4275 } 4276#endif 4277 default: { 4278 error = ether_ioctl(ifp, cmd, data); 4279 break; 4280 } 4281 } 4282 4283 TULIP_PERFEND(ifioctl); 4284 return error; 4285} 4286 4287static void 4288tulip_start(struct ifnet * const ifp) 4289{ 4290 TULIP_PERFSTART(ifstart) 4291 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4292 4293 TULIP_LOCK(sc); 4294 tulip_start_locked(sc); 4295 TULIP_UNLOCK(sc); 4296 4297 TULIP_PERFEND(ifstart); 4298} 4299 4300static void 4301tulip_start_locked(tulip_softc_t * const sc) 4302{ 4303 struct mbuf *m; 4304 4305 TULIP_LOCK_ASSERT(sc); 4306 4307 CTR0(KTR_TULIP, "tulip_start_locked invoked"); 4308 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4309 tulip_txput_setup(sc); 4310 4311 CTR1(KTR_TULIP, "tulip_start_locked: %d tx packets pending", 4312 sc->tulip_ifp->if_snd.ifq_len); 4313 while (!IFQ_DRV_IS_EMPTY(&sc->tulip_ifp->if_snd)) { 4314 IFQ_DRV_DEQUEUE(&sc->tulip_ifp->if_snd, m); 4315 if(m == NULL) 4316 break; 4317 if ((m = tulip_txput(sc, m)) != NULL) { 4318 IFQ_DRV_PREPEND(&sc->tulip_ifp->if_snd, m); 4319 break; 4320 } 4321 } 4322} 4323 4324/* 4325 * Even though this routine runs at device spl, it does not break 4326 * our use of splnet (splsoftnet under NetBSD) for the majority 4327 * of this driver since 4328 * if_watcbog is called from if_watchdog which is called from 4329 * splsoftclock which is below spl[soft]net. 4330 */ 4331static void 4332tulip_ifwatchdog(struct ifnet *ifp) 4333{ 4334 TULIP_PERFSTART(ifwatchdog) 4335 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4336#if defined(TULIP_DEBUG) 4337 u_int32_t rxintrs; 4338#endif 4339 4340 TULIP_LOCK(sc); 4341#if defined(TULIP_DEBUG) 4342 rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4343 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4344 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4345 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4346#endif /* TULIP_DEBUG */ 4347 4348 sc->tulip_ifp->if_timer = 1; 4349 /* 4350 * These should be rare so do a bulk test up front so we can just skip 4351 * them if needed. 4352 */ 4353 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4354 /* 4355 * If the number of receive buffer is low, try to refill 4356 */ 4357 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4358 tulip_rx_intr(sc); 4359 4360 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4361 if_printf(sc->tulip_ifp, "%d system errors: last was %s\n", 4362 sc->tulip_system_errors, 4363 tulip_system_errors[sc->tulip_last_system_error]); 4364 } 4365 if (sc->tulip_statusbits) { 4366 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4367 sc->tulip_statusbits = 0; 4368 } 4369 4370 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4371 } 4372 4373 if (sc->tulip_txtimer) 4374 tulip_tx_intr(sc); 4375 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4376 if_printf(sc->tulip_ifp, "transmission timeout\n"); 4377 if (TULIP_DO_AUTOSENSE(sc)) { 4378 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4379 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4380 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4381 } 4382 tulip_reset(sc); 4383 tulip_init_locked(sc); 4384 } 4385 4386 TULIP_PERFEND(ifwatchdog); 4387 TULIP_PERFMERGE(sc, perf_intr_cycles); 4388 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4389 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4390 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4391 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4392 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4393 TULIP_PERFMERGE(sc, perf_txput_cycles); 4394 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4395 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4396 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4397 TULIP_PERFMERGE(sc, perf_intr); 4398 TULIP_PERFMERGE(sc, perf_ifstart); 4399 TULIP_PERFMERGE(sc, perf_ifioctl); 4400 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4401 TULIP_PERFMERGE(sc, perf_timeout); 4402 TULIP_PERFMERGE(sc, perf_ifstart_one); 4403 TULIP_PERFMERGE(sc, perf_txput); 4404 TULIP_PERFMERGE(sc, perf_txintr); 4405 TULIP_PERFMERGE(sc, perf_rxintr); 4406 TULIP_PERFMERGE(sc, perf_rxget); 4407 TULIP_UNLOCK(sc); 4408} 4409 4410static void 4411tulip_attach(tulip_softc_t * const sc) 4412{ 4413 struct ifnet *ifp; 4414 4415 ifp = sc->tulip_ifp = if_alloc(IFT_ETHER); 4416 4417 /* XXX: driver name/unit should be set some other way */ 4418 if_initname(ifp, "de", sc->tulip_unit); 4419 ifp->if_softc = sc; 4420 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 4421 ifp->if_ioctl = tulip_ifioctl; 4422 ifp->if_start = tulip_start; 4423 ifp->if_watchdog = tulip_ifwatchdog; 4424 ifp->if_timer = 1; 4425 ifp->if_init = tulip_init; 4426 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 4427 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 4428 IFQ_SET_READY(&ifp->if_snd); 4429 4430 if_printf(ifp, "%s%s pass %d.%d%s\n", 4431 sc->tulip_boardid, 4432 tulip_chipdescs[sc->tulip_chipid], 4433 (sc->tulip_revinfo & 0xF0) >> 4, 4434 sc->tulip_revinfo & 0x0F, 4435 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4436 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 4437 4438 TULIP_LOCK(sc); 4439#if defined(__alpha__) 4440 /* 4441 * In case the SRM console told us about a bogus media, 4442 * we need to check to be safe. 4443 */ 4444 if (sc->tulip_mediums[sc->tulip_media] == NULL) 4445 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4446#endif 4447 4448 (*sc->tulip_boardsw->bd_media_probe)(sc); 4449 ifmedia_init(&sc->tulip_ifmedia, 0, 4450 tulip_ifmedia_change, 4451 tulip_ifmedia_status); 4452 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4453 tulip_ifmedia_add(sc); 4454 4455 tulip_reset(sc); 4456 TULIP_UNLOCK(sc); 4457 4458 ether_ifattach(sc->tulip_ifp, sc->tulip_enaddr); 4459} 4460 4461/* Release memory for a single descriptor ring. */ 4462static void 4463tulip_busdma_freering(tulip_ringinfo_t *ri) 4464{ 4465 int i; 4466 4467 /* Release the DMA maps and tag for data buffers. */ 4468 if (ri->ri_data_maps != NULL) { 4469 for (i = 0; i < ri->ri_max; i++) { 4470 if (ri->ri_data_maps[i] != NULL) { 4471 bus_dmamap_destroy(ri->ri_data_tag, ri->ri_data_maps[i]); 4472 ri->ri_data_maps[i] = NULL; 4473 } 4474 } 4475 free(ri->ri_data_maps, M_DEVBUF); 4476 ri->ri_data_maps = NULL; 4477 } 4478 if (ri->ri_data_tag != NULL) { 4479 bus_dma_tag_destroy(ri->ri_data_tag); 4480 ri->ri_data_tag = NULL; 4481 } 4482 4483 /* Release the DMA memory and tag for the ring descriptors. */ 4484 if (ri->ri_dma_addr != 0) { 4485 bus_dmamap_unload(ri->ri_ring_tag, ri->ri_ring_map); 4486 ri->ri_dma_addr = 0; 4487 } 4488 if (ri->ri_descs != NULL) { 4489 bus_dmamem_free(ri->ri_ring_tag, ri->ri_descs, ri->ri_ring_map); 4490 ri->ri_ring_map = NULL; 4491 ri->ri_descs = NULL; 4492 } 4493 if (ri->ri_ring_tag != NULL) { 4494 bus_dma_tag_destroy(ri->ri_ring_tag); 4495 ri->ri_ring_tag = NULL; 4496 } 4497} 4498 4499/* Allocate memory for a single descriptor ring. */ 4500static int 4501tulip_busdma_allocring(device_t dev, tulip_softc_t * const sc, size_t count, 4502 bus_size_t maxsize, int nsegs, tulip_ringinfo_t *ri, const char *name) 4503{ 4504 size_t size; 4505 int error, i; 4506 4507 /* First, setup a tag. */ 4508 ri->ri_max = count; 4509 size = count * sizeof(tulip_desc_t); 4510 error = bus_dma_tag_create(NULL, PAGE_SIZE, 0, BUS_SPACE_MAXADDR_32BIT, 4511 BUS_SPACE_MAXADDR, NULL, NULL, size, 1, size, 0, NULL, NULL, 4512 &ri->ri_ring_tag); 4513 if (error) { 4514 device_printf(dev, "failed to allocate %s descriptor ring dma tag\n", 4515 name); 4516 return (error); 4517 } 4518 4519 /* Next, allocate memory for the descriptors. */ 4520 error = bus_dmamem_alloc(ri->ri_ring_tag, (void **)&ri->ri_descs, 4521 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ri->ri_ring_map); 4522 if (error) { 4523 device_printf(dev, "failed to allocate memory for %s descriptor ring\n", 4524 name); 4525 return (error); 4526 } 4527 4528 /* Map the descriptors. */ 4529 error = bus_dmamap_load(ri->ri_ring_tag, ri->ri_ring_map, ri->ri_descs, 4530 size, tulip_dma_map_addr, &ri->ri_dma_addr, BUS_DMA_NOWAIT); 4531 if (error) { 4532 device_printf(dev, "failed to get dma address for %s descriptor ring\n", 4533 name); 4534 return (error); 4535 } 4536 4537 /* Allocate a tag for the data buffers. */ 4538 error = bus_dma_tag_create(NULL, 4, 0, 4539 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 4540 maxsize, nsegs, TULIP_DATA_PER_DESC, 0, NULL, NULL, &ri->ri_data_tag); 4541 if (error) { 4542 device_printf(dev, "failed to allocate %s buffer dma tag\n", name); 4543 return (error); 4544 } 4545 4546 /* Allocate maps for the data buffers. */ 4547 ri->ri_data_maps = malloc(sizeof(bus_dmamap_t) * count, M_DEVBUF, 4548 M_WAITOK | M_ZERO); 4549 for (i = 0; i < count; i++) { 4550 error = bus_dmamap_create(ri->ri_data_tag, 0, &ri->ri_data_maps[i]); 4551 if (error) { 4552 device_printf(dev, "failed to create map for %s buffer %d\n", 4553 name, i); 4554 return (error); 4555 } 4556 } 4557 4558 return (0); 4559} 4560 4561/* Release busdma maps, tags, and memory. */ 4562static void 4563tulip_busdma_cleanup(tulip_softc_t * const sc) 4564{ 4565 4566 /* Release resources for the setup descriptor. */ 4567 if (sc->tulip_setup_dma_addr != 0) { 4568 bus_dmamap_unload(sc->tulip_setup_tag, sc->tulip_setup_map); 4569 sc->tulip_setup_dma_addr = 0; 4570 } 4571 if (sc->tulip_setupbuf != NULL) { 4572 bus_dmamem_free(sc->tulip_setup_tag, sc->tulip_setupdata, 4573 sc->tulip_setup_map); 4574 sc->tulip_setup_map = NULL; 4575 sc->tulip_setupbuf = NULL; 4576 } 4577 if (sc->tulip_setup_tag != NULL) { 4578 bus_dma_tag_destroy(sc->tulip_setup_tag); 4579 sc->tulip_setup_tag = NULL; 4580 } 4581 4582 /* Release the transmit ring. */ 4583 tulip_busdma_freering(&sc->tulip_txinfo); 4584 4585 /* Release the receive ring. */ 4586 tulip_busdma_freering(&sc->tulip_rxinfo); 4587} 4588 4589static int 4590tulip_busdma_init(device_t dev, tulip_softc_t * const sc) 4591{ 4592 int error; 4593 4594 /* 4595 * Allocate space and dmamap for transmit ring. 4596 */ 4597 error = tulip_busdma_allocring(dev, sc, TULIP_TXDESCS, TULIP_DATA_PER_DESC, 4598 TULIP_MAX_TXSEG, &sc->tulip_txinfo, "transmit"); 4599 if (error) 4600 return (error); 4601 4602 /* 4603 * Allocate space and dmamap for receive ring. We tell bus_dma that 4604 * we can map MCLBYTES so that it will accept a full MCLBYTES cluster, 4605 * but we will only map the first TULIP_RX_BUFLEN bytes. This is not 4606 * a waste in practice though as an ethernet frame can easily fit 4607 * in TULIP_RX_BUFLEN bytes. 4608 */ 4609 error = tulip_busdma_allocring(dev, sc, TULIP_RXDESCS, MCLBYTES, 1, 4610 &sc->tulip_rxinfo, "receive"); 4611 if (error) 4612 return (error); 4613 4614 /* 4615 * Allocate a DMA tag, memory, and map for setup descriptor 4616 */ 4617 error = bus_dma_tag_create(NULL, 4, 0, 4618 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 4619 sizeof(sc->tulip_setupdata), 1, sizeof(sc->tulip_setupdata), 0, 4620 NULL, NULL, &sc->tulip_setup_tag); 4621 if (error) { 4622 device_printf(dev, "failed to allocate setup descriptor dma tag\n"); 4623 return (error); 4624 } 4625 error = bus_dmamem_alloc(sc->tulip_setup_tag, (void **)&sc->tulip_setupbuf, 4626 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tulip_setup_map); 4627 if (error) { 4628 device_printf(dev, "failed to allocate memory for setup descriptor\n"); 4629 return (error); 4630 } 4631 error = bus_dmamap_load(sc->tulip_setup_tag, sc->tulip_setup_map, 4632 sc->tulip_setupbuf, sizeof(sc->tulip_setupdata), 4633 tulip_dma_map_addr, &sc->tulip_setup_dma_addr, BUS_DMA_NOWAIT); 4634 if (error) { 4635 device_printf(dev, "failed to get dma address for setup descriptor\n"); 4636 return (error); 4637 } 4638 4639 return error; 4640} 4641 4642static void 4643tulip_initcsrs(tulip_softc_t * const sc, tulip_csrptr_t csr_base, 4644 size_t csr_size) 4645{ 4646 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4647 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4648 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4649 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4650 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4651 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4652 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4653 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4654 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4655 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4656 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4657 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4658 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4659 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4660 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4661 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4662} 4663 4664static int 4665tulip_initring( 4666 device_t dev, 4667 tulip_softc_t * const sc, 4668 tulip_ringinfo_t * const ri, 4669 int ndescs) 4670{ 4671 int i; 4672 4673 ri->ri_descinfo = malloc(sizeof(tulip_descinfo_t) * ndescs, M_DEVBUF, 4674 M_WAITOK | M_ZERO); 4675 for (i = 0; i < ndescs; i++) { 4676 ri->ri_descinfo[i].di_desc = &ri->ri_descs[i]; 4677 ri->ri_descinfo[i].di_map = &ri->ri_data_maps[i]; 4678 } 4679 ri->ri_first = ri->ri_descinfo; 4680 ri->ri_max = ndescs; 4681 ri->ri_last = ri->ri_first + ri->ri_max; 4682 bzero(ri->ri_descs, sizeof(tulip_desc_t) * ri->ri_max); 4683 ri->ri_last[-1].di_desc->d_flag = TULIP_DFLAG_ENDRING; 4684 return (0); 4685} 4686 4687/* 4688 * This is the PCI configuration support. 4689 */ 4690 4691#define PCI_CBIO PCIR_BAR(0) /* Configuration Base IO Address */ 4692#define PCI_CBMA PCIR_BAR(1) /* Configuration Base Memory Address */ 4693#define PCI_CFDA 0x40 /* Configuration Driver Area */ 4694 4695static int 4696tulip_pci_probe(device_t dev) 4697{ 4698 const char *name = NULL; 4699 4700 if (pci_get_vendor(dev) != DEC_VENDORID) 4701 return ENXIO; 4702 4703 /* 4704 * Some LanMedia WAN cards use the Tulip chip, but they have 4705 * their own driver, and we should not recognize them 4706 */ 4707 if (pci_get_subvendor(dev) == 0x1376) 4708 return ENXIO; 4709 4710 switch (pci_get_device(dev)) { 4711 case CHIPID_21040: 4712 name = "Digital 21040 Ethernet"; 4713 break; 4714 case CHIPID_21041: 4715 name = "Digital 21041 Ethernet"; 4716 break; 4717 case CHIPID_21140: 4718 if (pci_get_revid(dev) >= 0x20) 4719 name = "Digital 21140A Fast Ethernet"; 4720 else 4721 name = "Digital 21140 Fast Ethernet"; 4722 break; 4723 case CHIPID_21142: 4724 if (pci_get_revid(dev) >= 0x20) 4725 name = "Digital 21143 Fast Ethernet"; 4726 else 4727 name = "Digital 21142 Fast Ethernet"; 4728 break; 4729 } 4730 if (name) { 4731 device_set_desc(dev, name); 4732 return BUS_PROBE_LOW_PRIORITY; 4733 } 4734 return ENXIO; 4735} 4736 4737static int 4738tulip_shutdown(device_t dev) 4739{ 4740 tulip_softc_t * const sc = device_get_softc(dev); 4741 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4742 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 4743 33MHz that comes to two microseconds but wait a 4744 bit longer anyways) */ 4745 return 0; 4746} 4747 4748static int 4749tulip_pci_attach(device_t dev) 4750{ 4751 tulip_softc_t *sc; 4752#if defined(__alpha__) 4753 tulip_media_t media = TULIP_MEDIA_UNKNOWN; 4754#endif 4755 int retval, idx; 4756 u_int32_t revinfo, cfdainfo; 4757 unsigned csroffset = TULIP_PCI_CSROFFSET; 4758 unsigned csrsize = TULIP_PCI_CSRSIZE; 4759 tulip_csrptr_t csr_base; 4760 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4761 struct resource *res; 4762 int rid, unit; 4763 4764 unit = device_get_unit(dev); 4765 4766 if (unit >= TULIP_MAX_DEVICES) { 4767 device_printf(dev, "not configured; limit of %d reached or exceeded\n", 4768 TULIP_MAX_DEVICES); 4769 return ENXIO; 4770 } 4771 4772 revinfo = pci_get_revid(dev); 4773 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 4774 4775 /* turn busmaster on in case BIOS doesn't set it */ 4776 pci_enable_busmaster(dev); 4777 4778 if (pci_get_vendor(dev) == DEC_VENDORID) { 4779 if (pci_get_device(dev) == CHIPID_21040) 4780 chipid = TULIP_21040; 4781 else if (pci_get_device(dev) == CHIPID_21041) 4782 chipid = TULIP_21041; 4783 else if (pci_get_device(dev) == CHIPID_21140) 4784 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4785 else if (pci_get_device(dev) == CHIPID_21142) 4786 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4787 } 4788 if (chipid == TULIP_CHIPID_UNKNOWN) 4789 return ENXIO; 4790 4791 if (chipid == TULIP_21040 && revinfo < 0x20) { 4792 device_printf(dev, 4793 "not configured; 21040 pass 2.0 required (%d.%d found)\n", 4794 revinfo >> 4, revinfo & 0x0f); 4795 return ENXIO; 4796 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4797 device_printf(dev, 4798 "not configured; 21140 pass 1.1 required (%d.%d found)\n", 4799 revinfo >> 4, revinfo & 0x0f); 4800 return ENXIO; 4801 } 4802 4803 sc = device_get_softc(dev); 4804 sc->tulip_pci_busno = pci_get_bus(dev); 4805 sc->tulip_pci_devno = pci_get_slot(dev); 4806 sc->tulip_chipid = chipid; 4807 sc->tulip_flags |= TULIP_DEVICEPROBE; 4808 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4809 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4810 if (chipid == TULIP_21140A && revinfo <= 0x22) 4811 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4812 if (chipid == TULIP_21140) 4813 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4814 if (chipid != TULIP_21040 && chipid != TULIP_21140) 4815 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4816 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4817 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4818 if (chipid != TULIP_21041 || revinfo >= 0x20) 4819 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4820 if (chipid != TULIP_21041) 4821 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4822 if (chipid != TULIP_21041 && revinfo >= 0x20) 4823 sc->tulip_features |= TULIP_HAVE_SIA100; 4824 } 4825 4826 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4827 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4828 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4829 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 4830 DELAY(11*1000); 4831 } 4832#if defined(__alpha__) 4833 /* 4834 * The Alpha SRM console encodes a console set media in the driver 4835 * part of the CFDA register. Note that the Multia presents a 4836 * problem in that its BNC mode is really EXTSIA. So in that case 4837 * force a probe. 4838 */ 4839 switch ((cfdainfo >> 8) & 0xff) { 4840 case 1: media = chipid > TULIP_21040 ? TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; 4841 case 2: media = chipid > TULIP_21040 ? TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; 4842 case 3: media = TULIP_MEDIA_10BASET; break; 4843 case 4: media = TULIP_MEDIA_10BASET_FD; break; 4844 case 5: media = TULIP_MEDIA_100BASETX; break; 4845 case 6: media = TULIP_MEDIA_100BASETX_FD; break; 4846 default: media = TULIP_MEDIA_UNKNOWN; break; 4847 } 4848#endif 4849 4850 sc->tulip_unit = unit; 4851 sc->tulip_revinfo = revinfo; 4852#if defined(TULIP_IOMAPPED) 4853 rid = PCI_CBIO; 4854 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 4855#else 4856 rid = PCI_CBMA; 4857 res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 4858#endif 4859 if (!res) 4860 return ENXIO; 4861 sc->tulip_csrs_bst = rman_get_bustag(res); 4862 sc->tulip_csrs_bsh = rman_get_bushandle(res); 4863 csr_base = 0; 4864 4865 mtx_init(TULIP_MUTEX(sc), MTX_NETWORK_LOCK, device_get_nameunit(dev), 4866 MTX_DEF); 4867 callout_init_mtx(&sc->tulip_callout, TULIP_MUTEX(sc), 0); 4868 tulips[unit] = sc; 4869 4870 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4871 4872 if ((retval = tulip_busdma_init(dev, sc)) != 0) { 4873 device_printf(dev, "error initing bus_dma: %d\n", retval); 4874 tulip_busdma_cleanup(sc); 4875 mtx_destroy(TULIP_MUTEX(sc)); 4876 return ENXIO; 4877 } 4878 4879 retval = tulip_initring(dev, sc, &sc->tulip_rxinfo, TULIP_RXDESCS); 4880 if (retval == 0) 4881 retval = tulip_initring(dev, sc, &sc->tulip_txinfo, TULIP_TXDESCS); 4882 if (retval) { 4883 tulip_busdma_cleanup(sc); 4884 mtx_destroy(TULIP_MUTEX(sc)); 4885 return retval; 4886 } 4887 4888 /* 4889 * Make sure there won't be any interrupts or such... 4890 */ 4891 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4892 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4893 33MHz that comes to two microseconds but wait a 4894 bit longer anyways) */ 4895 4896 TULIP_LOCK(sc); 4897 retval = tulip_read_macaddr(sc); 4898 TULIP_UNLOCK(sc); 4899 if (retval < 0) { 4900 device_printf(dev, "can't read ENET ROM (why=%d) (", retval); 4901 for (idx = 0; idx < 32; idx++) 4902 printf("%02x", sc->tulip_rombuf[idx]); 4903 printf("\n"); 4904 device_printf(dev, "%s%s pass %d.%d\n", 4905 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 4906 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4907 device_printf(dev, "address unknown\n"); 4908 } else { 4909 void (*intr_rtn)(void *) = tulip_intr_normal; 4910 4911 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4912 intr_rtn = tulip_intr_shared; 4913 4914#if defined(__alpha__) 4915 sc->tulip_media = media; 4916#endif 4917 tulip_attach(sc); 4918 4919 /* Setup interrupt last. */ 4920 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4921 void *ih; 4922 4923 rid = 0; 4924 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 4925 RF_SHAREABLE | RF_ACTIVE); 4926 if (res == 0 || bus_setup_intr(dev, res, INTR_TYPE_NET | 4927 INTR_MPSAFE, intr_rtn, sc, &ih)) { 4928 device_printf(dev, "couldn't map interrupt\n"); 4929 tulip_busdma_cleanup(sc); 4930 ether_ifdetach(sc->tulip_ifp); 4931 if_free(sc->tulip_ifp); 4932 mtx_destroy(TULIP_MUTEX(sc)); 4933 return ENXIO; 4934 } 4935 } 4936 4937#if defined(__alpha__) 4938 TULIP_LOCK(sc); 4939 if (sc->tulip_media != TULIP_MEDIA_UNKNOWN) 4940 tulip_linkup(sc, media); 4941 TULIP_UNLOCK(sc); 4942#endif 4943 } 4944 return 0; 4945} 4946 4947static device_method_t tulip_pci_methods[] = { 4948 /* Device interface */ 4949 DEVMETHOD(device_probe, tulip_pci_probe), 4950 DEVMETHOD(device_attach, tulip_pci_attach), 4951 DEVMETHOD(device_shutdown, tulip_shutdown), 4952 { 0, 0 } 4953}; 4954 4955static driver_t tulip_pci_driver = { 4956 "de", 4957 tulip_pci_methods, 4958 sizeof(tulip_softc_t), 4959}; 4960 4961static devclass_t tulip_devclass; 4962 4963DRIVER_MODULE(de, pci, tulip_pci_driver, tulip_devclass, 0, 0); 4964 4965#ifdef DDB 4966void tulip_dumpring(int unit, int ring); 4967void tulip_dumpdesc(int unit, int ring, int desc); 4968void tulip_status(int unit); 4969 4970void 4971tulip_dumpring(int unit, int ring) 4972{ 4973 tulip_softc_t *sc; 4974 tulip_ringinfo_t *ri; 4975 tulip_descinfo_t *di; 4976 4977 if (unit < 0 || unit >= TULIP_MAX_DEVICES) { 4978 db_printf("invalid unit %d\n", unit); 4979 return; 4980 } 4981 sc = tulips[unit]; 4982 if (sc == NULL) { 4983 db_printf("unit %d not present\n", unit); 4984 return; 4985 } 4986 4987 switch (ring) { 4988 case 0: 4989 db_printf("receive ring:\n"); 4990 ri = &sc->tulip_rxinfo; 4991 break; 4992 case 1: 4993 db_printf("transmit ring:\n"); 4994 ri = &sc->tulip_txinfo; 4995 break; 4996 default: 4997 db_printf("invalid ring %d\n", ring); 4998 return; 4999 } 5000 5001 db_printf(" nextin: %td, nextout: %td, max: %d, free: %d\n", 5002 ri->ri_nextin - ri->ri_first, ri->ri_nextout - ri->ri_first, 5003 ri->ri_max, ri->ri_free); 5004 for (di = ri->ri_first; di != ri->ri_last; di++) { 5005 if (di->di_mbuf != NULL) 5006 db_printf(" descriptor %td: mbuf %p\n", di - ri->ri_first, 5007 di->di_mbuf); 5008 else if (di->di_desc->d_flag & TULIP_DFLAG_TxSETUPPKT) 5009 db_printf(" descriptor %td: setup packet\n", di - ri->ri_first); 5010 } 5011} 5012 5013void 5014tulip_dumpdesc(int unit, int ring, int desc) 5015{ 5016 tulip_softc_t *sc; 5017 tulip_ringinfo_t *ri; 5018 tulip_descinfo_t *di; 5019 char *s; 5020 5021 if (unit < 0 || unit >= TULIP_MAX_DEVICES) { 5022 db_printf("invalid unit %d\n", unit); 5023 return; 5024 } 5025 sc = tulips[unit]; 5026 if (sc == NULL) { 5027 db_printf("unit %d not present\n", unit); 5028 return; 5029 } 5030 5031 switch (ring) { 5032 case 0: 5033 s = "receive"; 5034 ri = &sc->tulip_rxinfo; 5035 break; 5036 case 1: 5037 s = "transmit"; 5038 ri = &sc->tulip_txinfo; 5039 break; 5040 default: 5041 db_printf("invalid ring %d\n", ring); 5042 return; 5043 } 5044 5045 if (desc < 0 || desc >= ri->ri_max) { 5046 db_printf("invalid descriptor %d\n", desc); 5047 return; 5048 } 5049 5050 db_printf("%s descriptor %d:\n", s, desc); 5051 di = &ri->ri_first[desc]; 5052 db_printf(" mbuf: %p\n", di->di_mbuf); 5053 db_printf(" status: %08x flag: %03x\n", di->di_desc->d_status, 5054 di->di_desc->d_flag); 5055 db_printf(" addr1: %08x len1: %03x\n", di->di_desc->d_addr1, 5056 di->di_desc->d_length1); 5057 db_printf(" addr2: %08x len2: %03x\n", di->di_desc->d_addr2, 5058 di->di_desc->d_length2); 5059} 5060#endif 5061